Home / 12,481.20-17,224.31-6,816.17

Finding the Fourth Proportional to 12,481.20, 17,224.31 and 6,816.17

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Solution

The fourth proportional to 12,481.20, 17,224.31 and 6,816.17 is: 9,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.20 : 17,224.31 = 6,816.17 : x
  2. Step 2: Convert to fraction form
    12,481.20/17,224.31 = 6,816.17/x
  3. Step 3: Cross multiply
    12,481.20x = 17,224.31 × 6,816.17
  4. Step 4: Simplify right side
    12,481.20x = 117,403,834.07
  5. Step 5: Solve for x
    x = 117,403,834.07/12,481.20
  6. Step 6: Final answer
    x = 9,406.45

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.