Home / 14,650.26-20,217.39-7,935.86

Finding the Fourth Proportional to 14,650.26, 20,217.39 and 7,935.86

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Solution

The fourth proportional to 14,650.26, 20,217.39 and 7,935.86 is: 10,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.26 : 20,217.39 = 7,935.86 : x
  2. Step 2: Convert to fraction form
    14,650.26/20,217.39 = 7,935.86/x
  3. Step 3: Cross multiply
    14,650.26x = 20,217.39 × 7,935.86
  4. Step 4: Simplify right side
    14,650.26x = 160,442,376.61
  5. Step 5: Solve for x
    x = 160,442,376.61/14,650.26
  6. Step 6: Final answer
    x = 10,951.50

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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.