Home / 20,243.16-27,934.29-11,291.24

Finding the Fourth Proportional to 20,243.16, 27,934.29 and 11,291.24

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Solution

The fourth proportional to 20,243.16, 27,934.29 and 11,291.24 is: 15,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.16 : 27,934.29 = 11,291.24 : x
  2. Step 2: Convert to fraction form
    20,243.16/27,934.29 = 11,291.24/x
  3. Step 3: Cross multiply
    20,243.16x = 27,934.29 × 11,291.24
  4. Step 4: Simplify right side
    20,243.16x = 315,412,842.46
  5. Step 5: Solve for x
    x = 315,412,842.46/20,243.16
  6. Step 6: Final answer
    x = 15,581.21

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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.