Home / 10,909.13-16,363.69-3,983.63

Finding the Fourth Proportional to 10,909.13, 16,363.69 and 3,983.63

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Solution

The fourth proportional to 10,909.13, 16,363.69 and 3,983.63 is: 5,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.13 : 16,363.69 = 3,983.63 : x
  2. Step 2: Convert to fraction form
    10,909.13/16,363.69 = 3,983.63/x
  3. Step 3: Cross multiply
    10,909.13x = 16,363.69 × 3,983.63
  4. Step 4: Simplify right side
    10,909.13x = 65,186,794.62
  5. Step 5: Solve for x
    x = 65,186,794.62/10,909.13
  6. Step 6: Final answer
    x = 5,975.44

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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.