Home / 43,107.76-64,665.04-11,517.92

Finding the Fourth Proportional to 43,107.76, 64,665.04 and 11,517.92

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Solution

The fourth proportional to 43,107.76, 64,665.04 and 11,517.92 is: 17,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.76 : 64,665.04 = 11,517.92 : x
  2. Step 2: Convert to fraction form
    43,107.76/64,665.04 = 11,517.92/x
  3. Step 3: Cross multiply
    43,107.76x = 64,665.04 × 11,517.92
  4. Step 4: Simplify right side
    43,107.76x = 744,806,757.52
  5. Step 5: Solve for x
    x = 744,806,757.52/43,107.76
  6. Step 6: Final answer
    x = 17,277.79

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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.