Home / 18,076.29-27,115.40-5,604.93

Finding the Fourth Proportional to 18,076.29, 27,115.40 and 5,604.93

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Solution

The fourth proportional to 18,076.29, 27,115.40 and 5,604.93 is: 8,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.29 : 27,115.40 = 5,604.93 : x
  2. Step 2: Convert to fraction form
    18,076.29/27,115.40 = 5,604.93/x
  3. Step 3: Cross multiply
    18,076.29x = 27,115.40 × 5,604.93
  4. Step 4: Simplify right side
    18,076.29x = 151,979,918.92
  5. Step 5: Solve for x
    x = 151,979,918.92/18,076.29
  6. Step 6: Final answer
    x = 8,407.69

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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.