Home / 10,100.75-15,151.13-3,175.25

Finding the Fourth Proportional to 10,100.75, 15,151.13 and 3,175.25

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Solution

The fourth proportional to 10,100.75, 15,151.13 and 3,175.25 is: 4,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.75 : 15,151.13 = 3,175.25 : x
  2. Step 2: Convert to fraction form
    10,100.75/15,151.13 = 3,175.25/x
  3. Step 3: Cross multiply
    10,100.75x = 15,151.13 × 3,175.25
  4. Step 4: Simplify right side
    10,100.75x = 48,108,648.89
  5. Step 5: Solve for x
    x = 48,108,648.89/10,100.75
  6. Step 6: Final answer
    x = 4,762.88

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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.