Home / 18,093.15-27,144.45-7,000.20

Finding the Fourth Proportional to 18,093.15, 27,144.45 and 7,000.20

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Solution

The fourth proportional to 18,093.15, 27,144.45 and 7,000.20 is: 10,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.15 : 27,144.45 = 7,000.20 : x
  2. Step 2: Convert to fraction form
    18,093.15/27,144.45 = 7,000.20/x
  3. Step 3: Cross multiply
    18,093.15x = 27,144.45 × 7,000.20
  4. Step 4: Simplify right side
    18,093.15x = 190,016,578.89
  5. Step 5: Solve for x
    x = 190,016,578.89/18,093.15
  6. Step 6: Final answer
    x = 10,502.13

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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.