Home / 20,196.30-27,866.67-11,697.91

Finding the Fourth Proportional to 20,196.30, 27,866.67 and 11,697.91

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Solution

The fourth proportional to 20,196.30, 27,866.67 and 11,697.91 is: 16,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.30 : 27,866.67 = 11,697.91 : x
  2. Step 2: Convert to fraction form
    20,196.30/27,866.67 = 11,697.91/x
  3. Step 3: Cross multiply
    20,196.30x = 27,866.67 × 11,697.91
  4. Step 4: Simplify right side
    20,196.30x = 325,981,684.13
  5. Step 5: Solve for x
    x = 325,981,684.13/20,196.30
  6. Step 6: Final answer
    x = 16,140.66

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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.