Home / 15,138.28-22,707.42-4,608.28

Finding the Fourth Proportional to 15,138.28, 22,707.42 and 4,608.28

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Solution

The fourth proportional to 15,138.28, 22,707.42 and 4,608.28 is: 6,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.28 : 22,707.42 = 4,608.28 : x
  2. Step 2: Convert to fraction form
    15,138.28/22,707.42 = 4,608.28/x
  3. Step 3: Cross multiply
    15,138.28x = 22,707.42 × 4,608.28
  4. Step 4: Simplify right side
    15,138.28x = 104,642,149.44
  5. Step 5: Solve for x
    x = 104,642,149.44/15,138.28
  6. Step 6: Final answer
    x = 6,912.42

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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.