Home / 15,147.56-22,721-4,054.25

Finding the Fourth Proportional to 15,147.56, 22,721 and 4,054.25

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Solution

The fourth proportional to 15,147.56, 22,721 and 4,054.25 is: 6,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.56 : 22,721 = 4,054.25 : x
  2. Step 2: Convert to fraction form
    15,147.56/22,721 = 4,054.25/x
  3. Step 3: Cross multiply
    15,147.56x = 22,721 × 4,054.25
  4. Step 4: Simplify right side
    15,147.56x = 92,116,500.65
  5. Step 5: Solve for x
    x = 92,116,500.65/15,147.56
  6. Step 6: Final answer
    x = 6,081.28

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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.