Home / 14,951.59-20,610.35-9,639.61

Finding the Fourth Proportional to 14,951.59, 20,610.35 and 9,639.61

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Solution

The fourth proportional to 14,951.59, 20,610.35 and 9,639.61 is: 13,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.59 : 20,610.35 = 9,639.61 : x
  2. Step 2: Convert to fraction form
    14,951.59/20,610.35 = 9,639.61/x
  3. Step 3: Cross multiply
    14,951.59x = 20,610.35 × 9,639.61
  4. Step 4: Simplify right side
    14,951.59x = 198,675,672.39
  5. Step 5: Solve for x
    x = 198,675,672.39/14,951.59
  6. Step 6: Final answer
    x = 13,287.93

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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.