Home / 10,073.41-15,110.12-3,147.91

Finding the Fourth Proportional to 10,073.41, 15,110.12 and 3,147.91

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Solution

The fourth proportional to 10,073.41, 15,110.12 and 3,147.91 is: 4,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.41 : 15,110.12 = 3,147.91 : x
  2. Step 2: Convert to fraction form
    10,073.41/15,110.12 = 3,147.91/x
  3. Step 3: Cross multiply
    10,073.41x = 15,110.12 × 3,147.91
  4. Step 4: Simplify right side
    10,073.41x = 47,565,297.85
  5. Step 5: Solve for x
    x = 47,565,297.85/10,073.41
  6. Step 6: Final answer
    x = 4,721.87

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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.