Home / 11,127.38-15,355.82-6,091.64

Finding the Fourth Proportional to 11,127.38, 15,355.82 and 6,091.64

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Solution

The fourth proportional to 11,127.38, 15,355.82 and 6,091.64 is: 8,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.38 : 15,355.82 = 6,091.64 : x
  2. Step 2: Convert to fraction form
    11,127.38/15,355.82 = 6,091.64/x
  3. Step 3: Cross multiply
    11,127.38x = 15,355.82 × 6,091.64
  4. Step 4: Simplify right side
    11,127.38x = 93,542,020.11
  5. Step 5: Solve for x
    x = 93,542,020.11/11,127.38
  6. Step 6: Final answer
    x = 8,406.48

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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.