Home / 14,535.67-20,057.61-8,160.97

Finding the Fourth Proportional to 14,535.67, 20,057.61 and 8,160.97

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Solution

The fourth proportional to 14,535.67, 20,057.61 and 8,160.97 is: 11,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.67 : 20,057.61 = 8,160.97 : x
  2. Step 2: Convert to fraction form
    14,535.67/20,057.61 = 8,160.97/x
  3. Step 3: Cross multiply
    14,535.67x = 20,057.61 × 8,160.97
  4. Step 4: Simplify right side
    14,535.67x = 163,689,553.48
  5. Step 5: Solve for x
    x = 163,689,553.48/14,535.67
  6. Step 6: Final answer
    x = 11,261.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.