Home / 20,248.16-30,366.24-7,098.08

Finding the Fourth Proportional to 20,248.16, 30,366.24 and 7,098.08

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Solution

The fourth proportional to 20,248.16, 30,366.24 and 7,098.08 is: 10,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.16 : 30,366.24 = 7,098.08 : x
  2. Step 2: Convert to fraction form
    20,248.16/30,366.24 = 7,098.08/x
  3. Step 3: Cross multiply
    20,248.16x = 30,366.24 × 7,098.08
  4. Step 4: Simplify right side
    20,248.16x = 215,542,000.82
  5. Step 5: Solve for x
    x = 215,542,000.82/20,248.16
  6. Step 6: Final answer
    x = 10,645.02

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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.