Home / 22,178.91-33,230.78-13,395.38

Finding the Fourth Proportional to 22,178.91, 33,230.78 and 13,395.38

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Solution

The fourth proportional to 22,178.91, 33,230.78 and 13,395.38 is: 20,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.91 : 33,230.78 = 13,395.38 : x
  2. Step 2: Convert to fraction form
    22,178.91/33,230.78 = 13,395.38/x
  3. Step 3: Cross multiply
    22,178.91x = 33,230.78 × 13,395.38
  4. Step 4: Simplify right side
    22,178.91x = 445,138,780.57
  5. Step 5: Solve for x
    x = 445,138,780.57/22,178.91
  6. Step 6: Final answer
    x = 20,070.36

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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.