Home / 18,279.56-27,419.40-5,132.06

Finding the Fourth Proportional to 18,279.56, 27,419.40 and 5,132.06

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Solution

The fourth proportional to 18,279.56, 27,419.40 and 5,132.06 is: 7,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.56 : 27,419.40 = 5,132.06 : x
  2. Step 2: Convert to fraction form
    18,279.56/27,419.40 = 5,132.06/x
  3. Step 3: Cross multiply
    18,279.56x = 27,419.40 × 5,132.06
  4. Step 4: Simplify right side
    18,279.56x = 140,718,005.96
  5. Step 5: Solve for x
    x = 140,718,005.96/18,279.56
  6. Step 6: Final answer
    x = 7,698.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.