Home / 10,040.28-15,063.92-4,494.21

Finding the Fourth Proportional to 10,040.28, 15,063.92 and 4,494.21

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Solution

The fourth proportional to 10,040.28, 15,063.92 and 4,494.21 is: 6,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.28 : 15,063.92 = 4,494.21 : x
  2. Step 2: Convert to fraction form
    10,040.28/15,063.92 = 4,494.21/x
  3. Step 3: Cross multiply
    10,040.28x = 15,063.92 × 4,494.21
  4. Step 4: Simplify right side
    10,040.28x = 67,700,419.90
  5. Step 5: Solve for x
    x = 67,700,419.90/10,040.28
  6. Step 6: Final answer
    x = 6,742.88

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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.