Home / 10,512.26-15,769.80-3,116.82

Finding the Fourth Proportional to 10,512.26, 15,769.80 and 3,116.82

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Solution

The fourth proportional to 10,512.26, 15,769.80 and 3,116.82 is: 4,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.26 : 15,769.80 = 3,116.82 : x
  2. Step 2: Convert to fraction form
    10,512.26/15,769.80 = 3,116.82/x
  3. Step 3: Cross multiply
    10,512.26x = 15,769.80 × 3,116.82
  4. Step 4: Simplify right side
    10,512.26x = 49,151,628.04
  5. Step 5: Solve for x
    x = 49,151,628.04/10,512.26
  6. Step 6: Final answer
    x = 4,675.65

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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.