Home / 20,542.05-30,817.68-6,502.91

Finding the Fourth Proportional to 20,542.05, 30,817.68 and 6,502.91

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Solution

The fourth proportional to 20,542.05, 30,817.68 and 6,502.91 is: 9,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.05 : 30,817.68 = 6,502.91 : x
  2. Step 2: Convert to fraction form
    20,542.05/30,817.68 = 6,502.91/x
  3. Step 3: Cross multiply
    20,542.05x = 30,817.68 × 6,502.91
  4. Step 4: Simplify right side
    20,542.05x = 200,404,445.36
  5. Step 5: Solve for x
    x = 200,404,445.36/20,542.05
  6. Step 6: Final answer
    x = 9,755.82

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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.