Home / 10,040.68-15,061.50-3,800.20

Finding the Fourth Proportional to 10,040.68, 15,061.50 and 3,800.20

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Solution

The fourth proportional to 10,040.68, 15,061.50 and 3,800.20 is: 5,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.68 : 15,061.50 = 3,800.20 : x
  2. Step 2: Convert to fraction form
    10,040.68/15,061.50 = 3,800.20/x
  3. Step 3: Cross multiply
    10,040.68x = 15,061.50 × 3,800.20
  4. Step 4: Simplify right side
    10,040.68x = 57,236,712.30
  5. Step 5: Solve for x
    x = 57,236,712.30/10,040.68
  6. Step 6: Final answer
    x = 5,700.48

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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.