Home / 15,138.01-22,707.60-5,278.27

Finding the Fourth Proportional to 15,138.01, 22,707.60 and 5,278.27

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Solution

The fourth proportional to 15,138.01, 22,707.60 and 5,278.27 is: 7,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.01 : 22,707.60 = 5,278.27 : x
  2. Step 2: Convert to fraction form
    15,138.01/22,707.60 = 5,278.27/x
  3. Step 3: Cross multiply
    15,138.01x = 22,707.60 × 5,278.27
  4. Step 4: Simplify right side
    15,138.01x = 119,856,843.85
  5. Step 5: Solve for x
    x = 119,856,843.85/15,138.01
  6. Step 6: Final answer
    x = 7,917.61

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1.5x scale

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.