Home / 17,677.38-26,520.57-5,197.86

Finding the Fourth Proportional to 17,677.38, 26,520.57 and 5,197.86

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Solution

The fourth proportional to 17,677.38, 26,520.57 and 5,197.86 is: 7,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.38 : 26,520.57 = 5,197.86 : x
  2. Step 2: Convert to fraction form
    17,677.38/26,520.57 = 5,197.86/x
  3. Step 3: Cross multiply
    17,677.38x = 26,520.57 × 5,197.86
  4. Step 4: Simplify right side
    17,677.38x = 137,850,209.98
  5. Step 5: Solve for x
    x = 137,850,209.98/17,677.38
  6. Step 6: Final answer
    x = 7,798.11

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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.