Home / 22,031.89-30,404.03-11,960.33

Finding the Fourth Proportional to 22,031.89, 30,404.03 and 11,960.33

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Solution

The fourth proportional to 22,031.89, 30,404.03 and 11,960.33 is: 16,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.89 : 30,404.03 = 11,960.33 : x
  2. Step 2: Convert to fraction form
    22,031.89/30,404.03 = 11,960.33/x
  3. Step 3: Cross multiply
    22,031.89x = 30,404.03 × 11,960.33
  4. Step 4: Simplify right side
    22,031.89x = 363,642,020.31
  5. Step 5: Solve for x
    x = 363,642,020.31/22,031.89
  6. Step 6: Final answer
    x = 16,505.26

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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.