Home / 15,147.44-22,722.24-5,289.20

Finding the Fourth Proportional to 15,147.44, 22,722.24 and 5,289.20

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Solution

The fourth proportional to 15,147.44, 22,722.24 and 5,289.20 is: 7,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.44 : 22,722.24 = 5,289.20 : x
  2. Step 2: Convert to fraction form
    15,147.44/22,722.24 = 5,289.20/x
  3. Step 3: Cross multiply
    15,147.44x = 22,722.24 × 5,289.20
  4. Step 4: Simplify right side
    15,147.44x = 120,182,471.81
  5. Step 5: Solve for x
    x = 120,182,471.81/15,147.44
  6. Step 6: Final answer
    x = 7,934.18

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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.