Home / 10,886.30-16,336.73-3,960.80

Finding the Fourth Proportional to 10,886.30, 16,336.73 and 3,960.80

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Solution

The fourth proportional to 10,886.30, 16,336.73 and 3,960.80 is: 5,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.30 : 16,336.73 = 3,960.80 : x
  2. Step 2: Convert to fraction form
    10,886.30/16,336.73 = 3,960.80/x
  3. Step 3: Cross multiply
    10,886.30x = 16,336.73 × 3,960.80
  4. Step 4: Simplify right side
    10,886.30x = 64,706,500.38
  5. Step 5: Solve for x
    x = 64,706,500.38/10,886.30
  6. Step 6: Final answer
    x = 5,943.85

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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.