Home / 14,761.80-20,366.91-9,447.39

Finding the Fourth Proportional to 14,761.80, 20,366.91 and 9,447.39

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Solution

The fourth proportional to 14,761.80, 20,366.91 and 9,447.39 is: 13,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.80 : 20,366.91 = 9,447.39 : x
  2. Step 2: Convert to fraction form
    14,761.80/20,366.91 = 9,447.39/x
  3. Step 3: Cross multiply
    14,761.80x = 20,366.91 × 9,447.39
  4. Step 4: Simplify right side
    14,761.80x = 192,414,141.86
  5. Step 5: Solve for x
    x = 192,414,141.86/14,761.80
  6. Step 6: Final answer
    x = 13,034.60

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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.