Home / 22,102.61-33,139.33-8,939.57

Finding the Fourth Proportional to 22,102.61, 33,139.33 and 8,939.57

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Solution

The fourth proportional to 22,102.61, 33,139.33 and 8,939.57 is: 13,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.61 : 33,139.33 = 8,939.57 : x
  2. Step 2: Convert to fraction form
    22,102.61/33,139.33 = 8,939.57/x
  3. Step 3: Cross multiply
    22,102.61x = 33,139.33 × 8,939.57
  4. Step 4: Simplify right side
    22,102.61x = 296,251,172.24
  5. Step 5: Solve for x
    x = 296,251,172.24/22,102.61
  6. Step 6: Final answer
    x = 13,403.45

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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.