Home / 22,170.91-33,237.63-10,318.57

Finding the Fourth Proportional to 22,170.91, 33,237.63 and 10,318.57

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Solution

The fourth proportional to 22,170.91, 33,237.63 and 10,318.57 is: 15,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.91 : 33,237.63 = 10,318.57 : x
  2. Step 2: Convert to fraction form
    22,170.91/33,237.63 = 10,318.57/x
  3. Step 3: Cross multiply
    22,170.91x = 33,237.63 × 10,318.57
  4. Step 4: Simplify right side
    22,170.91x = 342,964,811.79
  5. Step 5: Solve for x
    x = 342,964,811.79/22,170.91
  6. Step 6: Final answer
    x = 15,469.14

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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.