Home / 11,591.29-17,377.17-8,070.90

Finding the Fourth Proportional to 11,591.29, 17,377.17 and 8,070.90

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Solution

The fourth proportional to 11,591.29, 17,377.17 and 8,070.90 is: 12,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.29 : 17,377.17 = 8,070.90 : x
  2. Step 2: Convert to fraction form
    11,591.29/17,377.17 = 8,070.90/x
  3. Step 3: Cross multiply
    11,591.29x = 17,377.17 × 8,070.90
  4. Step 4: Simplify right side
    11,591.29x = 140,249,401.35
  5. Step 5: Solve for x
    x = 140,249,401.35/11,591.29
  6. Step 6: Final answer
    x = 12,099.55

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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.