Home / 18,197.05-27,279.34-7,101.16

Finding the Fourth Proportional to 18,197.05, 27,279.34 and 7,101.16

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Solution

The fourth proportional to 18,197.05, 27,279.34 and 7,101.16 is: 10,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.05 : 27,279.34 = 7,101.16 : x
  2. Step 2: Convert to fraction form
    18,197.05/27,279.34 = 7,101.16/x
  3. Step 3: Cross multiply
    18,197.05x = 27,279.34 × 7,101.16
  4. Step 4: Simplify right side
    18,197.05x = 193,714,872.08
  5. Step 5: Solve for x
    x = 193,714,872.08/18,197.05
  6. Step 6: Final answer
    x = 10,645.40

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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.