Home / 20,167.92-30,265.56-7,020.24

Finding the Fourth Proportional to 20,167.92, 30,265.56 and 7,020.24

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Solution

The fourth proportional to 20,167.92, 30,265.56 and 7,020.24 is: 10,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.92 : 30,265.56 = 7,020.24 : x
  2. Step 2: Convert to fraction form
    20,167.92/30,265.56 = 7,020.24/x
  3. Step 3: Cross multiply
    20,167.92x = 30,265.56 × 7,020.24
  4. Step 4: Simplify right side
    20,167.92x = 212,471,494.93
  5. Step 5: Solve for x
    x = 212,471,494.93/20,167.92
  6. Step 6: Final answer
    x = 10,535.12

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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.