Home / 10,252.28-15,370.58-8,491.88

Finding the Fourth Proportional to 10,252.28, 15,370.58 and 8,491.88

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Solution

The fourth proportional to 10,252.28, 15,370.58 and 8,491.88 is: 12,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.28 : 15,370.58 = 8,491.88 : x
  2. Step 2: Convert to fraction form
    10,252.28/15,370.58 = 8,491.88/x
  3. Step 3: Cross multiply
    10,252.28x = 15,370.58 × 8,491.88
  4. Step 4: Simplify right side
    10,252.28x = 130,525,120.89
  5. Step 5: Solve for x
    x = 130,525,120.89/10,252.28
  6. Step 6: Final answer
    x = 12,731.33

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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.