Home / 12,769.20-19,150.62-5,373.72

Finding the Fourth Proportional to 12,769.20, 19,150.62 and 5,373.72

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Solution

The fourth proportional to 12,769.20, 19,150.62 and 5,373.72 is: 8,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.20 : 19,150.62 = 5,373.72 : x
  2. Step 2: Convert to fraction form
    12,769.20/19,150.62 = 5,373.72/x
  3. Step 3: Cross multiply
    12,769.20x = 19,150.62 × 5,373.72
  4. Step 4: Simplify right side
    12,769.20x = 102,910,069.71
  5. Step 5: Solve for x
    x = 102,910,069.71/12,769.20
  6. Step 6: Final answer
    x = 8,059.24

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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.