Home / 20,253.11-30,379.59-5,463.53

Finding the Fourth Proportional to 20,253.11, 30,379.59 and 5,463.53

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Solution

The fourth proportional to 20,253.11, 30,379.59 and 5,463.53 is: 8,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.11 : 30,379.59 = 5,463.53 : x
  2. Step 2: Convert to fraction form
    20,253.11/30,379.59 = 5,463.53/x
  3. Step 3: Cross multiply
    20,253.11x = 30,379.59 × 5,463.53
  4. Step 4: Simplify right side
    20,253.11x = 165,979,801.35
  5. Step 5: Solve for x
    x = 165,979,801.35/20,253.11
  6. Step 6: Final answer
    x = 8,195.27

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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.