Home / 11,648.38-16,074.24-6,343.20

Finding the Fourth Proportional to 11,648.38, 16,074.24 and 6,343.20

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Solution

The fourth proportional to 11,648.38, 16,074.24 and 6,343.20 is: 8,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.38 : 16,074.24 = 6,343.20 : x
  2. Step 2: Convert to fraction form
    11,648.38/16,074.24 = 6,343.20/x
  3. Step 3: Cross multiply
    11,648.38x = 16,074.24 × 6,343.20
  4. Step 4: Simplify right side
    11,648.38x = 101,962,119.17
  5. Step 5: Solve for x
    x = 101,962,119.17/11,648.38
  6. Step 6: Final answer
    x = 8,753.33

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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.