Home / 21,549.62-32,318.15-8,398.86

Finding the Fourth Proportional to 21,549.62, 32,318.15 and 8,398.86

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Solution

The fourth proportional to 21,549.62, 32,318.15 and 8,398.86 is: 12,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549.62 : 32,318.15 = 8,398.86 : x
  2. Step 2: Convert to fraction form
    21,549.62/32,318.15 = 8,398.86/x
  3. Step 3: Cross multiply
    21,549.62x = 32,318.15 × 8,398.86
  4. Step 4: Simplify right side
    21,549.62x = 271,435,575.31
  5. Step 5: Solve for x
    x = 271,435,575.31/21,549.62
  6. Step 6: Final answer
    x = 12,595.84

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1.5x scale

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.