Home / 10,871.03-16,309.80-6,250.79

Finding the Fourth Proportional to 10,871.03, 16,309.80 and 6,250.79

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Solution

The fourth proportional to 10,871.03, 16,309.80 and 6,250.79 is: 9,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.03 : 16,309.80 = 6,250.79 : x
  2. Step 2: Convert to fraction form
    10,871.03/16,309.80 = 6,250.79/x
  3. Step 3: Cross multiply
    10,871.03x = 16,309.80 × 6,250.79
  4. Step 4: Simplify right side
    10,871.03x = 101,949,175.52
  5. Step 5: Solve for x
    x = 101,949,175.52/10,871.03
  6. Step 6: Final answer
    x = 9,378.06

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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.