Home / 10,739.80-16,121.49-8,532.82

Finding the Fourth Proportional to 10,739.80, 16,121.49 and 8,532.82

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Solution

The fourth proportional to 10,739.80, 16,121.49 and 8,532.82 is: 12,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.80 : 16,121.49 = 8,532.82 : x
  2. Step 2: Convert to fraction form
    10,739.80/16,121.49 = 8,532.82/x
  3. Step 3: Cross multiply
    10,739.80x = 16,121.49 × 8,532.82
  4. Step 4: Simplify right side
    10,739.80x = 137,561,721.11
  5. Step 5: Solve for x
    x = 137,561,721.11/10,739.80
  6. Step 6: Final answer
    x = 12,808.59

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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.