Home / 10,800.54-16,200.33-6,186.78

Finding the Fourth Proportional to 10,800.54, 16,200.33 and 6,186.78

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Solution

The fourth proportional to 10,800.54, 16,200.33 and 6,186.78 is: 9,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.54 : 16,200.33 = 6,186.78 : x
  2. Step 2: Convert to fraction form
    10,800.54/16,200.33 = 6,186.78/x
  3. Step 3: Cross multiply
    10,800.54x = 16,200.33 × 6,186.78
  4. Step 4: Simplify right side
    10,800.54x = 100,227,877.64
  5. Step 5: Solve for x
    x = 100,227,877.64/10,800.54
  6. Step 6: Final answer
    x = 9,279.90

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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.