Home / 20,363.43-30,555.60-9,701.87

Finding the Fourth Proportional to 20,363.43, 30,555.60 and 9,701.87

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Solution

The fourth proportional to 20,363.43, 30,555.60 and 9,701.87 is: 14,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.43 : 30,555.60 = 9,701.87 : x
  2. Step 2: Convert to fraction form
    20,363.43/30,555.60 = 9,701.87/x
  3. Step 3: Cross multiply
    20,363.43x = 30,555.60 × 9,701.87
  4. Step 4: Simplify right side
    20,363.43x = 296,446,306.19
  5. Step 5: Solve for x
    x = 296,446,306.19/20,363.43
  6. Step 6: Final answer
    x = 14,557.78

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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.