Home / 10,052.20-13,872.15-5,576.09

Finding the Fourth Proportional to 10,052.20, 13,872.15 and 5,576.09

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Solution

The fourth proportional to 10,052.20, 13,872.15 and 5,576.09 is: 7,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.20 : 13,872.15 = 5,576.09 : x
  2. Step 2: Convert to fraction form
    10,052.20/13,872.15 = 5,576.09/x
  3. Step 3: Cross multiply
    10,052.20x = 13,872.15 × 5,576.09
  4. Step 4: Simplify right side
    10,052.20x = 77,352,259.65
  5. Step 5: Solve for x
    x = 77,352,259.65/10,052.20
  6. Step 6: Final answer
    x = 7,695.06

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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.