Home / 20,326.04-30,489.06-13,398.92

Finding the Fourth Proportional to 20,326.04, 30,489.06 and 13,398.92

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Solution

The fourth proportional to 20,326.04, 30,489.06 and 13,398.92 is: 20,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.04 : 30,489.06 = 13,398.92 : x
  2. Step 2: Convert to fraction form
    20,326.04/30,489.06 = 13,398.92/x
  3. Step 3: Cross multiply
    20,326.04x = 30,489.06 × 13,398.92
  4. Step 4: Simplify right side
    20,326.04x = 408,520,462.10
  5. Step 5: Solve for x
    x = 408,520,462.10/20,326.04
  6. Step 6: Final answer
    x = 20,098.38

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Similar ratio
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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.