Home / 20,267.44-27,966.60-11,315.44

Finding the Fourth Proportional to 20,267.44, 27,966.60 and 11,315.44

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Solution

The fourth proportional to 20,267.44, 27,966.60 and 11,315.44 is: 15,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.44 : 27,966.60 = 11,315.44 : x
  2. Step 2: Convert to fraction form
    20,267.44/27,966.60 = 11,315.44/x
  3. Step 3: Cross multiply
    20,267.44x = 27,966.60 × 11,315.44
  4. Step 4: Simplify right side
    20,267.44x = 316,454,384.30
  5. Step 5: Solve for x
    x = 316,454,384.30/20,267.44
  6. Step 6: Final answer
    x = 15,613.93

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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.