Home / 15,687-23,531.85-4,000.19

Finding the Fourth Proportional to 15,687, 23,531.85 and 4,000.19

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Solution

The fourth proportional to 15,687, 23,531.85 and 4,000.19 is: 6,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687 : 23,531.85 = 4,000.19 : x
  2. Step 2: Convert to fraction form
    15,687/23,531.85 = 4,000.19/x
  3. Step 3: Cross multiply
    15,687x = 23,531.85 × 4,000.19
  4. Step 4: Simplify right side
    15,687x = 94,131,753.39
  5. Step 5: Solve for x
    x = 94,131,753.39/15,687
  6. Step 6: Final answer
    x = 6,000.62

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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.