Home / 21,543.32-29,732.12-12,593.84

Finding the Fourth Proportional to 21,543.32, 29,732.12 and 12,593.84

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Solution

The fourth proportional to 21,543.32, 29,732.12 and 12,593.84 is: 17,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.32 : 29,732.12 = 12,593.84 : x
  2. Step 2: Convert to fraction form
    21,543.32/29,732.12 = 12,593.84/x
  3. Step 3: Cross multiply
    21,543.32x = 29,732.12 × 12,593.84
  4. Step 4: Simplify right side
    21,543.32x = 374,441,562.14
  5. Step 5: Solve for x
    x = 374,441,562.14/21,543.32
  6. Step 6: Final answer
    x = 17,380.87

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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.