Home / 12,769.52-17,617.56-8,298.92

Finding the Fourth Proportional to 12,769.52, 17,617.56 and 8,298.92

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Solution

The fourth proportional to 12,769.52, 17,617.56 and 8,298.92 is: 11,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.52 : 17,617.56 = 8,298.92 : x
  2. Step 2: Convert to fraction form
    12,769.52/17,617.56 = 8,298.92/x
  3. Step 3: Cross multiply
    12,769.52x = 17,617.56 × 8,298.92
  4. Step 4: Simplify right side
    12,769.52x = 146,206,721.04
  5. Step 5: Solve for x
    x = 146,206,721.04/12,769.52
  6. Step 6: Final answer
    x = 11,449.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.