Home / 15,981.68-23,972.50-4,294.90

Finding the Fourth Proportional to 15,981.68, 23,972.50 and 4,294.90

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Solution

The fourth proportional to 15,981.68, 23,972.50 and 4,294.90 is: 6,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.68 : 23,972.50 = 4,294.90 : x
  2. Step 2: Convert to fraction form
    15,981.68/23,972.50 = 4,294.90/x
  3. Step 3: Cross multiply
    15,981.68x = 23,972.50 × 4,294.90
  4. Step 4: Simplify right side
    15,981.68x = 102,959,525.58
  5. Step 5: Solve for x
    x = 102,959,525.58/15,981.68
  6. Step 6: Final answer
    x = 6,442.35

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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.