Home / 18,279.03-27,416.39-5,132.55

Finding the Fourth Proportional to 18,279.03, 27,416.39 and 5,132.55

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Solution

The fourth proportional to 18,279.03, 27,416.39 and 5,132.55 is: 7,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.03 : 27,416.39 = 5,132.55 : x
  2. Step 2: Convert to fraction form
    18,279.03/27,416.39 = 5,132.55/x
  3. Step 3: Cross multiply
    18,279.03x = 27,416.39 × 5,132.55
  4. Step 4: Simplify right side
    18,279.03x = 140,715,966.83
  5. Step 5: Solve for x
    x = 140,715,966.83/18,279.03
  6. Step 6: Final answer
    x = 7,698.22

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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.