Home / 10,156.46-15,234.28-3,136.19

Finding the Fourth Proportional to 10,156.46, 15,234.28 and 3,136.19

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Solution

The fourth proportional to 10,156.46, 15,234.28 and 3,136.19 is: 4,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.46 : 15,234.28 = 3,136.19 : x
  2. Step 2: Convert to fraction form
    10,156.46/15,234.28 = 3,136.19/x
  3. Step 3: Cross multiply
    10,156.46x = 15,234.28 × 3,136.19
  4. Step 4: Simplify right side
    10,156.46x = 47,777,512.58
  5. Step 5: Solve for x
    x = 47,777,512.58/10,156.46
  6. Step 6: Final answer
    x = 4,704.15

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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.