Home / 15,177.29-20,934.18-10,071.86

Finding the Fourth Proportional to 15,177.29, 20,934.18 and 10,071.86

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Solution

The fourth proportional to 15,177.29, 20,934.18 and 10,071.86 is: 13,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.29 : 20,934.18 = 10,071.86 : x
  2. Step 2: Convert to fraction form
    15,177.29/20,934.18 = 10,071.86/x
  3. Step 3: Cross multiply
    15,177.29x = 20,934.18 × 10,071.86
  4. Step 4: Simplify right side
    15,177.29x = 210,846,025.50
  5. Step 5: Solve for x
    x = 210,846,025.50/15,177.29
  6. Step 6: Final answer
    x = 13,892.21

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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.