Home / 20,066.13-27,691.18-11,568.21

Finding the Fourth Proportional to 20,066.13, 27,691.18 and 11,568.21

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Solution

The fourth proportional to 20,066.13, 27,691.18 and 11,568.21 is: 15,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.13 : 27,691.18 = 11,568.21 : x
  2. Step 2: Convert to fraction form
    20,066.13/27,691.18 = 11,568.21/x
  3. Step 3: Cross multiply
    20,066.13x = 27,691.18 × 11,568.21
  4. Step 4: Simplify right side
    20,066.13x = 320,337,370.07
  5. Step 5: Solve for x
    x = 320,337,370.07/20,066.13
  6. Step 6: Final answer
    x = 15,964.09

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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.