Home / 20,306.59-30,463.98-7,168.19

Finding the Fourth Proportional to 20,306.59, 30,463.98 and 7,168.19

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Solution

The fourth proportional to 20,306.59, 30,463.98 and 7,168.19 is: 10,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.59 : 30,463.98 = 7,168.19 : x
  2. Step 2: Convert to fraction form
    20,306.59/30,463.98 = 7,168.19/x
  3. Step 3: Cross multiply
    20,306.59x = 30,463.98 × 7,168.19
  4. Step 4: Simplify right side
    20,306.59x = 218,371,417.60
  5. Step 5: Solve for x
    x = 218,371,417.60/20,306.59
  6. Step 6: Final answer
    x = 10,753.72

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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.