Home / 15,172.93-22,757.26-5,815.31

Finding the Fourth Proportional to 15,172.93, 22,757.26 and 5,815.31

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Solution

The fourth proportional to 15,172.93, 22,757.26 and 5,815.31 is: 8,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.93 : 22,757.26 = 5,815.31 : x
  2. Step 2: Convert to fraction form
    15,172.93/22,757.26 = 5,815.31/x
  3. Step 3: Cross multiply
    15,172.93x = 22,757.26 × 5,815.31
  4. Step 4: Simplify right side
    15,172.93x = 132,340,521.65
  5. Step 5: Solve for x
    x = 132,340,521.65/15,172.93
  6. Step 6: Final answer
    x = 8,722.15

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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.