Home / 22,450.24-30,972.70-13,499.92

Finding the Fourth Proportional to 22,450.24, 30,972.70 and 13,499.92

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Solution

The fourth proportional to 22,450.24, 30,972.70 and 13,499.92 is: 18,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.24 : 30,972.70 = 13,499.92 : x
  2. Step 2: Convert to fraction form
    22,450.24/30,972.70 = 13,499.92/x
  3. Step 3: Cross multiply
    22,450.24x = 30,972.70 × 13,499.92
  4. Step 4: Simplify right side
    22,450.24x = 418,128,972.18
  5. Step 5: Solve for x
    x = 418,128,972.18/22,450.24
  6. Step 6: Final answer
    x = 18,624.70

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1.5x scale

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.