Home / 10,180.80-15,265.67-3,158.91

Finding the Fourth Proportional to 10,180.80, 15,265.67 and 3,158.91

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Solution

The fourth proportional to 10,180.80, 15,265.67 and 3,158.91 is: 4,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.80 : 15,265.67 = 3,158.91 : x
  2. Step 2: Convert to fraction form
    10,180.80/15,265.67 = 3,158.91/x
  3. Step 3: Cross multiply
    10,180.80x = 15,265.67 × 3,158.91
  4. Step 4: Simplify right side
    10,180.80x = 48,222,861.83
  5. Step 5: Solve for x
    x = 48,222,861.83/10,180.80
  6. Step 6: Final answer
    x = 4,736.65

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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.