Home / 10,144.46-15,217.50-3,123.84

Finding the Fourth Proportional to 10,144.46, 15,217.50 and 3,123.84

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Solution

The fourth proportional to 10,144.46, 15,217.50 and 3,123.84 is: 4,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.46 : 15,217.50 = 3,123.84 : x
  2. Step 2: Convert to fraction form
    10,144.46/15,217.50 = 3,123.84/x
  3. Step 3: Cross multiply
    10,144.46x = 15,217.50 × 3,123.84
  4. Step 4: Simplify right side
    10,144.46x = 47,537,035.20
  5. Step 5: Solve for x
    x = 47,537,035.20/10,144.46
  6. Step 6: Final answer
    x = 4,686.01

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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.