Home / 13,737.97-20,605.81-4,377.61

Finding the Fourth Proportional to 13,737.97, 20,605.81 and 4,377.61

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Solution

The fourth proportional to 13,737.97, 20,605.81 and 4,377.61 is: 6,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.97 : 20,605.81 = 4,377.61 : x
  2. Step 2: Convert to fraction form
    13,737.97/20,605.81 = 4,377.61/x
  3. Step 3: Cross multiply
    13,737.97x = 20,605.81 × 4,377.61
  4. Step 4: Simplify right side
    13,737.97x = 90,204,222.94
  5. Step 5: Solve for x
    x = 90,204,222.94/13,737.97
  6. Step 6: Final answer
    x = 6,566.05

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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.