Home / 11,644.68-16,070.01-8,247.78

Finding the Fourth Proportional to 11,644.68, 16,070.01 and 8,247.78

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Solution

The fourth proportional to 11,644.68, 16,070.01 and 8,247.78 is: 11,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.68 : 16,070.01 = 8,247.78 : x
  2. Step 2: Convert to fraction form
    11,644.68/16,070.01 = 8,247.78/x
  3. Step 3: Cross multiply
    11,644.68x = 16,070.01 × 8,247.78
  4. Step 4: Simplify right side
    11,644.68x = 132,541,907.08
  5. Step 5: Solve for x
    x = 132,541,907.08/11,644.68
  6. Step 6: Final answer
    x = 11,382.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.