Home / 11,882.95-16,381.55-8,101.26

Finding the Fourth Proportional to 11,882.95, 16,381.55 and 8,101.26

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Solution

The fourth proportional to 11,882.95, 16,381.55 and 8,101.26 is: 11,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.95 : 16,381.55 = 8,101.26 : x
  2. Step 2: Convert to fraction form
    11,882.95/16,381.55 = 8,101.26/x
  3. Step 3: Cross multiply
    11,882.95x = 16,381.55 × 8,101.26
  4. Step 4: Simplify right side
    11,882.95x = 132,711,216.01
  5. Step 5: Solve for x
    x = 132,711,216.01/11,882.95
  6. Step 6: Final answer
    x = 11,168.21

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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.