Home / 13,248.75-19,882.24-5,457.56

Finding the Fourth Proportional to 13,248.75, 19,882.24 and 5,457.56

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Solution

The fourth proportional to 13,248.75, 19,882.24 and 5,457.56 is: 8,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.75 : 19,882.24 = 5,457.56 : x
  2. Step 2: Convert to fraction form
    13,248.75/19,882.24 = 5,457.56/x
  3. Step 3: Cross multiply
    13,248.75x = 19,882.24 × 5,457.56
  4. Step 4: Simplify right side
    13,248.75x = 108,508,517.73
  5. Step 5: Solve for x
    x = 108,508,517.73/13,248.75
  6. Step 6: Final answer
    x = 8,190.09

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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.