Home / 8,113.88-12,149.55-6,524.15

Finding the Fourth Proportional to 8,113.88, 12,149.55 and 6,524.15

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Solution

The fourth proportional to 8,113.88, 12,149.55 and 6,524.15 is: 9,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.88 : 12,149.55 = 6,524.15 : x
  2. Step 2: Convert to fraction form
    8,113.88/12,149.55 = 6,524.15/x
  3. Step 3: Cross multiply
    8,113.88x = 12,149.55 × 6,524.15
  4. Step 4: Simplify right side
    8,113.88x = 79,265,425.88
  5. Step 5: Solve for x
    x = 79,265,425.88/8,113.88
  6. Step 6: Final answer
    x = 9,769.12

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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.