Home / 11,257.11-15,535.80-6,542.91

Finding the Fourth Proportional to 11,257.11, 15,535.80 and 6,542.91

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Solution

The fourth proportional to 11,257.11, 15,535.80 and 6,542.91 is: 9,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.11 : 15,535.80 = 6,542.91 : x
  2. Step 2: Convert to fraction form
    11,257.11/15,535.80 = 6,542.91/x
  3. Step 3: Cross multiply
    11,257.11x = 15,535.80 × 6,542.91
  4. Step 4: Simplify right side
    11,257.11x = 101,649,341.18
  5. Step 5: Solve for x
    x = 101,649,341.18/11,257.11
  6. Step 6: Final answer
    x = 9,029.79

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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.