Home / 10,974.24-15,144.24-6,257.76

Finding the Fourth Proportional to 10,974.24, 15,144.24 and 6,257.76

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Solution

The fourth proportional to 10,974.24, 15,144.24 and 6,257.76 is: 8,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.24 : 15,144.24 = 6,257.76 : x
  2. Step 2: Convert to fraction form
    10,974.24/15,144.24 = 6,257.76/x
  3. Step 3: Cross multiply
    10,974.24x = 15,144.24 × 6,257.76
  4. Step 4: Simplify right side
    10,974.24x = 94,769,019.30
  5. Step 5: Solve for x
    x = 94,769,019.30/10,974.24
  6. Step 6: Final answer
    x = 8,635.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.