Home / 10,105.20-15,158.48-3,441.60

Finding the Fourth Proportional to 10,105.20, 15,158.48 and 3,441.60

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Solution

The fourth proportional to 10,105.20, 15,158.48 and 3,441.60 is: 5,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.20 : 15,158.48 = 3,441.60 : x
  2. Step 2: Convert to fraction form
    10,105.20/15,158.48 = 3,441.60/x
  3. Step 3: Cross multiply
    10,105.20x = 15,158.48 × 3,441.60
  4. Step 4: Simplify right side
    10,105.20x = 52,169,407.56
  5. Step 5: Solve for x
    x = 52,169,407.56/10,105.20
  6. Step 6: Final answer
    x = 5,162.63

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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.