Home / 20,451.46-30,677.18-7,302.12

Finding the Fourth Proportional to 20,451.46, 30,677.18 and 7,302.12

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Solution

The fourth proportional to 20,451.46, 30,677.18 and 7,302.12 is: 10,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.46 : 30,677.18 = 7,302.12 : x
  2. Step 2: Convert to fraction form
    20,451.46/30,677.18 = 7,302.12/x
  3. Step 3: Cross multiply
    20,451.46x = 30,677.18 × 7,302.12
  4. Step 4: Simplify right side
    20,451.46x = 224,008,449.62
  5. Step 5: Solve for x
    x = 224,008,449.62/20,451.46
  6. Step 6: Final answer
    x = 10,953.18

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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.