Home / 21,400.35-32,098.10-8,251.62

Finding the Fourth Proportional to 21,400.35, 32,098.10 and 8,251.62

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Solution

The fourth proportional to 21,400.35, 32,098.10 and 8,251.62 is: 12,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.35 : 32,098.10 = 8,251.62 : x
  2. Step 2: Convert to fraction form
    21,400.35/32,098.10 = 8,251.62/x
  3. Step 3: Cross multiply
    21,400.35x = 32,098.10 × 8,251.62
  4. Step 4: Simplify right side
    21,400.35x = 264,861,282.66
  5. Step 5: Solve for x
    x = 264,861,282.66/21,400.35
  6. Step 6: Final answer
    x = 12,376.49

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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.