Home / 20,098.92-30,147.91-5,308.87

Finding the Fourth Proportional to 20,098.92, 30,147.91 and 5,308.87

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Solution

The fourth proportional to 20,098.92, 30,147.91 and 5,308.87 is: 7,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.92 : 30,147.91 = 5,308.87 : x
  2. Step 2: Convert to fraction form
    20,098.92/30,147.91 = 5,308.87/x
  3. Step 3: Cross multiply
    20,098.92x = 30,147.91 × 5,308.87
  4. Step 4: Simplify right side
    20,098.92x = 160,051,334.96
  5. Step 5: Solve for x
    x = 160,051,334.96/20,098.92
  6. Step 6: Final answer
    x = 7,963.18

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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.