Home / 11,839.92-16,338.16-6,534.48

Finding the Fourth Proportional to 11,839.92, 16,338.16 and 6,534.48

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Solution

The fourth proportional to 11,839.92, 16,338.16 and 6,534.48 is: 9,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.92 : 16,338.16 = 6,534.48 : x
  2. Step 2: Convert to fraction form
    11,839.92/16,338.16 = 6,534.48/x
  3. Step 3: Cross multiply
    11,839.92x = 16,338.16 × 6,534.48
  4. Step 4: Simplify right side
    11,839.92x = 106,761,379.76
  5. Step 5: Solve for x
    x = 106,761,379.76/11,839.92
  6. Step 6: Final answer
    x = 9,017.07

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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.