Home / 13,242.97-19,872.83-7,403.41

Finding the Fourth Proportional to 13,242.97, 19,872.83 and 7,403.41

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Solution

The fourth proportional to 13,242.97, 19,872.83 and 7,403.41 is: 11,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.97 : 19,872.83 = 7,403.41 : x
  2. Step 2: Convert to fraction form
    13,242.97/19,872.83 = 7,403.41/x
  3. Step 3: Cross multiply
    13,242.97x = 19,872.83 × 7,403.41
  4. Step 4: Simplify right side
    13,242.97x = 147,126,621.65
  5. Step 5: Solve for x
    x = 147,126,621.65/13,242.97
  6. Step 6: Final answer
    x = 11,109.79

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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.