Home / 10,182.40-15,271.17-5,742.02

Finding the Fourth Proportional to 10,182.40, 15,271.17 and 5,742.02

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Solution

The fourth proportional to 10,182.40, 15,271.17 and 5,742.02 is: 8,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.40 : 15,271.17 = 5,742.02 : x
  2. Step 2: Convert to fraction form
    10,182.40/15,271.17 = 5,742.02/x
  3. Step 3: Cross multiply
    10,182.40x = 15,271.17 × 5,742.02
  4. Step 4: Simplify right side
    10,182.40x = 87,687,363.56
  5. Step 5: Solve for x
    x = 87,687,363.56/10,182.40
  6. Step 6: Final answer
    x = 8,611.66

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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.