Home / 11,255.55-15,534.55-6,542.56

Finding the Fourth Proportional to 11,255.55, 15,534.55 and 6,542.56

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Solution

The fourth proportional to 11,255.55, 15,534.55 and 6,542.56 is: 9,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.55 : 15,534.55 = 6,542.56 : x
  2. Step 2: Convert to fraction form
    11,255.55/15,534.55 = 6,542.56/x
  3. Step 3: Cross multiply
    11,255.55x = 15,534.55 × 6,542.56
  4. Step 4: Simplify right side
    11,255.55x = 101,635,725.45
  5. Step 5: Solve for x
    x = 101,635,725.45/11,255.55
  6. Step 6: Final answer
    x = 9,029.83

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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.