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Finding the Fourth Proportional to 10,884.59, 16,334.17 and 3,959.09

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Solution

The fourth proportional to 10,884.59, 16,334.17 and 3,959.09 is: 5,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.59 : 16,334.17 = 3,959.09 : x
  2. Step 2: Convert to fraction form
    10,884.59/16,334.17 = 3,959.09/x
  3. Step 3: Cross multiply
    10,884.59x = 16,334.17 × 3,959.09
  4. Step 4: Simplify right side
    10,884.59x = 64,668,532.94
  5. Step 5: Solve for x
    x = 64,668,532.94/10,884.59
  6. Step 6: Final answer
    x = 5,941.29

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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.