Home / 20,258.04-27,949.68-13,974.06

Finding the Fourth Proportional to 20,258.04, 27,949.68 and 13,974.06

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Solution

The fourth proportional to 20,258.04, 27,949.68 and 13,974.06 is: 19,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.04 : 27,949.68 = 13,974.06 : x
  2. Step 2: Convert to fraction form
    20,258.04/27,949.68 = 13,974.06/x
  3. Step 3: Cross multiply
    20,258.04x = 27,949.68 × 13,974.06
  4. Step 4: Simplify right side
    20,258.04x = 390,570,505.30
  5. Step 5: Solve for x
    x = 390,570,505.30/20,258.04
  6. Step 6: Final answer
    x = 19,279.78

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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.