Home / 12,487.26-17,232.57-6,822.20

Finding the Fourth Proportional to 12,487.26, 17,232.57 and 6,822.20

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Solution

The fourth proportional to 12,487.26, 17,232.57 and 6,822.20 is: 9,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.26 : 17,232.57 = 6,822.20 : x
  2. Step 2: Convert to fraction form
    12,487.26/17,232.57 = 6,822.20/x
  3. Step 3: Cross multiply
    12,487.26x = 17,232.57 × 6,822.20
  4. Step 4: Simplify right side
    12,487.26x = 117,563,952.89
  5. Step 5: Solve for x
    x = 117,563,952.89/12,487.26
  6. Step 6: Final answer
    x = 9,414.71

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.