Home / 10,769.35-16,147.41-4,187.86

Finding the Fourth Proportional to 10,769.35, 16,147.41 and 4,187.86

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Solution

The fourth proportional to 10,769.35, 16,147.41 and 4,187.86 is: 6,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.35 : 16,147.41 = 4,187.86 : x
  2. Step 2: Convert to fraction form
    10,769.35/16,147.41 = 4,187.86/x
  3. Step 3: Cross multiply
    10,769.35x = 16,147.41 × 4,187.86
  4. Step 4: Simplify right side
    10,769.35x = 67,623,071.50
  5. Step 5: Solve for x
    x = 67,623,071.50/10,769.35
  6. Step 6: Final answer
    x = 6,279.22

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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.