Home / 10,100.13-15,150.35-3,174.63

Finding the Fourth Proportional to 10,100.13, 15,150.35 and 3,174.63

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Solution

The fourth proportional to 10,100.13, 15,150.35 and 3,174.63 is: 4,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.13 : 15,150.35 = 3,174.63 : x
  2. Step 2: Convert to fraction form
    10,100.13/15,150.35 = 3,174.63/x
  3. Step 3: Cross multiply
    10,100.13x = 15,150.35 × 3,174.63
  4. Step 4: Simplify right side
    10,100.13x = 48,096,755.62
  5. Step 5: Solve for x
    x = 48,096,755.62/10,100.13
  6. Step 6: Final answer
    x = 4,761.99

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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.