Home / 10,462.80-15,689.20-6,081.44

Finding the Fourth Proportional to 10,462.80, 15,689.20 and 6,081.44

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Solution

The fourth proportional to 10,462.80, 15,689.20 and 6,081.44 is: 9,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.80 : 15,689.20 = 6,081.44 : x
  2. Step 2: Convert to fraction form
    10,462.80/15,689.20 = 6,081.44/x
  3. Step 3: Cross multiply
    10,462.80x = 15,689.20 × 6,081.44
  4. Step 4: Simplify right side
    10,462.80x = 95,412,928.45
  5. Step 5: Solve for x
    x = 95,412,928.45/10,462.80
  6. Step 6: Final answer
    x = 9,119.25

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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.