Home / 11,227.24-15,494.95-8,542.34

Finding the Fourth Proportional to 11,227.24, 15,494.95 and 8,542.34

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Solution

The fourth proportional to 11,227.24, 15,494.95 and 8,542.34 is: 11,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.24 : 15,494.95 = 8,542.34 : x
  2. Step 2: Convert to fraction form
    11,227.24/15,494.95 = 8,542.34/x
  3. Step 3: Cross multiply
    11,227.24x = 15,494.95 × 8,542.34
  4. Step 4: Simplify right side
    11,227.24x = 132,363,131.18
  5. Step 5: Solve for x
    x = 132,363,131.18/11,227.24
  6. Step 6: Final answer
    x = 11,789.46

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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.