Home / 10,099.15-15,149.45-3,174.19

Finding the Fourth Proportional to 10,099.15, 15,149.45 and 3,174.19

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Solution

The fourth proportional to 10,099.15, 15,149.45 and 3,174.19 is: 4,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.15 : 15,149.45 = 3,174.19 : x
  2. Step 2: Convert to fraction form
    10,099.15/15,149.45 = 3,174.19/x
  3. Step 3: Cross multiply
    10,099.15x = 15,149.45 × 3,174.19
  4. Step 4: Simplify right side
    10,099.15x = 48,087,232.70
  5. Step 5: Solve for x
    x = 48,087,232.70/10,099.15
  6. Step 6: Final answer
    x = 4,761.51

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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.