Home / 11,118-15,342.75-6,082.23

Finding the Fourth Proportional to 11,118, 15,342.75 and 6,082.23

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Solution

The fourth proportional to 11,118, 15,342.75 and 6,082.23 is: 8,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118 : 15,342.75 = 6,082.23 : x
  2. Step 2: Convert to fraction form
    11,118/15,342.75 = 6,082.23/x
  3. Step 3: Cross multiply
    11,118x = 15,342.75 × 6,082.23
  4. Step 4: Simplify right side
    11,118x = 93,318,134.33
  5. Step 5: Solve for x
    x = 93,318,134.33/11,118
  6. Step 6: Final answer
    x = 8,393.43

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Double scale
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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.