Home / 15,147.45-22,721.49-4,054.13

Finding the Fourth Proportional to 15,147.45, 22,721.49 and 4,054.13

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Solution

The fourth proportional to 15,147.45, 22,721.49 and 4,054.13 is: 6,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.45 : 22,721.49 = 4,054.13 : x
  2. Step 2: Convert to fraction form
    15,147.45/22,721.49 = 4,054.13/x
  3. Step 3: Cross multiply
    15,147.45x = 22,721.49 × 4,054.13
  4. Step 4: Simplify right side
    15,147.45x = 92,115,760.65
  5. Step 5: Solve for x
    x = 92,115,760.65/15,147.45
  6. Step 6: Final answer
    x = 6,081.27

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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.