Home / 15,489.71-23,221.51-6,718.02

Finding the Fourth Proportional to 15,489.71, 23,221.51 and 6,718.02

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Solution

The fourth proportional to 15,489.71, 23,221.51 and 6,718.02 is: 10,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.71 : 23,221.51 = 6,718.02 : x
  2. Step 2: Convert to fraction form
    15,489.71/23,221.51 = 6,718.02/x
  3. Step 3: Cross multiply
    15,489.71x = 23,221.51 × 6,718.02
  4. Step 4: Simplify right side
    15,489.71x = 156,002,568.61
  5. Step 5: Solve for x
    x = 156,002,568.61/15,489.71
  6. Step 6: Final answer
    x = 10,071.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.