Home / 11,876.47-17,842.28-11,238.75

Finding the Fourth Proportional to 11,876.47, 17,842.28 and 11,238.75

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Solution

The fourth proportional to 11,876.47, 17,842.28 and 11,238.75 is: 16,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.47 : 17,842.28 = 11,238.75 : x
  2. Step 2: Convert to fraction form
    11,876.47/17,842.28 = 11,238.75/x
  3. Step 3: Cross multiply
    11,876.47x = 17,842.28 × 11,238.75
  4. Step 4: Simplify right side
    11,876.47x = 200,524,868.16
  5. Step 5: Solve for x
    x = 200,524,868.16/11,876.47
  6. Step 6: Final answer
    x = 16,884.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.