Home / 15,439.18-23,145-5,576.26

Finding the Fourth Proportional to 15,439.18, 23,145 and 5,576.26

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Solution

The fourth proportional to 15,439.18, 23,145 and 5,576.26 is: 8,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.18 : 23,145 = 5,576.26 : x
  2. Step 2: Convert to fraction form
    15,439.18/23,145 = 5,576.26/x
  3. Step 3: Cross multiply
    15,439.18x = 23,145 × 5,576.26
  4. Step 4: Simplify right side
    15,439.18x = 129,062,537.70
  5. Step 5: Solve for x
    x = 129,062,537.70/15,439.18
  6. Step 6: Final answer
    x = 8,359.42

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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.