Home / 15,691.79-23,538.50-4,005.11

Finding the Fourth Proportional to 15,691.79, 23,538.50 and 4,005.11

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Solution

The fourth proportional to 15,691.79, 23,538.50 and 4,005.11 is: 6,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.79 : 23,538.50 = 4,005.11 : x
  2. Step 2: Convert to fraction form
    15,691.79/23,538.50 = 4,005.11/x
  3. Step 3: Cross multiply
    15,691.79x = 23,538.50 × 4,005.11
  4. Step 4: Simplify right side
    15,691.79x = 94,274,261.71
  5. Step 5: Solve for x
    x = 94,274,261.71/15,691.79
  6. Step 6: Final answer
    x = 6,007.87

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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.