Home / 22,019.12-33,034.08-10,318.70

Finding the Fourth Proportional to 22,019.12, 33,034.08 and 10,318.70

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Solution

The fourth proportional to 22,019.12, 33,034.08 and 10,318.70 is: 15,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.12 : 33,034.08 = 10,318.70 : x
  2. Step 2: Convert to fraction form
    22,019.12/33,034.08 = 10,318.70/x
  3. Step 3: Cross multiply
    22,019.12x = 33,034.08 × 10,318.70
  4. Step 4: Simplify right side
    22,019.12x = 340,868,761.30
  5. Step 5: Solve for x
    x = 340,868,761.30/22,019.12
  6. Step 6: Final answer
    x = 15,480.58

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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.