Home / 10,800.06-16,200.09-8,338.47

Finding the Fourth Proportional to 10,800.06, 16,200.09 and 8,338.47

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Solution

The fourth proportional to 10,800.06, 16,200.09 and 8,338.47 is: 12,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.06 : 16,200.09 = 8,338.47 : x
  2. Step 2: Convert to fraction form
    10,800.06/16,200.09 = 8,338.47/x
  3. Step 3: Cross multiply
    10,800.06x = 16,200.09 × 8,338.47
  4. Step 4: Simplify right side
    10,800.06x = 135,083,964.46
  5. Step 5: Solve for x
    x = 135,083,964.46/10,800.06
  6. Step 6: Final answer
    x = 12,507.71

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Similar ratio
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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.