Home / 22,350.40-30,839.24-15,186

Finding the Fourth Proportional to 22,350.40, 30,839.24 and 15,186

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Solution

The fourth proportional to 22,350.40, 30,839.24 and 15,186 is: 20,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.40 : 30,839.24 = 15,186 : x
  2. Step 2: Convert to fraction form
    22,350.40/30,839.24 = 15,186/x
  3. Step 3: Cross multiply
    22,350.40x = 30,839.24 × 15,186
  4. Step 4: Simplify right side
    22,350.40x = 468,324,698.64
  5. Step 5: Solve for x
    x = 468,324,698.64/22,350.40
  6. Step 6: Final answer
    x = 20,953.75

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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.