Home / 15,941.92-22,000.56-13,284.88

Finding the Fourth Proportional to 15,941.92, 22,000.56 and 13,284.88

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Solution

The fourth proportional to 15,941.92, 22,000.56 and 13,284.88 is: 18,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.92 : 22,000.56 = 13,284.88 : x
  2. Step 2: Convert to fraction form
    15,941.92/22,000.56 = 13,284.88/x
  3. Step 3: Cross multiply
    15,941.92x = 22,000.56 × 13,284.88
  4. Step 4: Simplify right side
    15,941.92x = 292,274,799.53
  5. Step 5: Solve for x
    x = 292,274,799.53/15,941.92
  6. Step 6: Final answer
    x = 18,333.73

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1.5x scale

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.