Home / 15,150.20-22,735.70-5,289.48

Finding the Fourth Proportional to 15,150.20, 22,735.70 and 5,289.48

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Solution

The fourth proportional to 15,150.20, 22,735.70 and 5,289.48 is: 7,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.20 : 22,735.70 = 5,289.48 : x
  2. Step 2: Convert to fraction form
    15,150.20/22,735.70 = 5,289.48/x
  3. Step 3: Cross multiply
    15,150.20x = 22,735.70 × 5,289.48
  4. Step 4: Simplify right side
    15,150.20x = 120,260,003.99
  5. Step 5: Solve for x
    x = 120,260,003.99/15,150.20
  6. Step 6: Final answer
    x = 7,937.85

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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.