Home / 15,397.59-21,248.68-8,324.01

Finding the Fourth Proportional to 15,397.59, 21,248.68 and 8,324.01

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Solution

The fourth proportional to 15,397.59, 21,248.68 and 8,324.01 is: 11,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.59 : 21,248.68 = 8,324.01 : x
  2. Step 2: Convert to fraction form
    15,397.59/21,248.68 = 8,324.01/x
  3. Step 3: Cross multiply
    15,397.59x = 21,248.68 × 8,324.01
  4. Step 4: Simplify right side
    15,397.59x = 176,874,224.81
  5. Step 5: Solve for x
    x = 176,874,224.81/15,397.59
  6. Step 6: Final answer
    x = 11,487.14

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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.