Home / 10,889.12-16,340.94-3,963.62

Finding the Fourth Proportional to 10,889.12, 16,340.94 and 3,963.62

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Solution

The fourth proportional to 10,889.12, 16,340.94 and 3,963.62 is: 5,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.12 : 16,340.94 = 3,963.62 : x
  2. Step 2: Convert to fraction form
    10,889.12/16,340.94 = 3,963.62/x
  3. Step 3: Cross multiply
    10,889.12x = 16,340.94 × 3,963.62
  4. Step 4: Simplify right side
    10,889.12x = 64,769,194.90
  5. Step 5: Solve for x
    x = 64,769,194.90/10,889.12
  6. Step 6: Final answer
    x = 5,948.07

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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.