Home / 15,272.43-22,907.55-4,742.20

Finding the Fourth Proportional to 15,272.43, 22,907.55 and 4,742.20

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Solution

The fourth proportional to 15,272.43, 22,907.55 and 4,742.20 is: 7,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.43 : 22,907.55 = 4,742.20 : x
  2. Step 2: Convert to fraction form
    15,272.43/22,907.55 = 4,742.20/x
  3. Step 3: Cross multiply
    15,272.43x = 22,907.55 × 4,742.20
  4. Step 4: Simplify right side
    15,272.43x = 108,632,183.61
  5. Step 5: Solve for x
    x = 108,632,183.61/15,272.43
  6. Step 6: Final answer
    x = 7,112.96

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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.