Home / 12,487.82-17,232.75-7,183.46

Finding the Fourth Proportional to 12,487.82, 17,232.75 and 7,183.46

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Solution

The fourth proportional to 12,487.82, 17,232.75 and 7,183.46 is: 9,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.82 : 17,232.75 = 7,183.46 : x
  2. Step 2: Convert to fraction form
    12,487.82/17,232.75 = 7,183.46/x
  3. Step 3: Cross multiply
    12,487.82x = 17,232.75 × 7,183.46
  4. Step 4: Simplify right side
    12,487.82x = 123,790,813.40
  5. Step 5: Solve for x
    x = 123,790,813.40/12,487.82
  6. Step 6: Final answer
    x = 9,912.93

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.