Home / 18,073.43-27,117.94-6,987.92

Finding the Fourth Proportional to 18,073.43, 27,117.94 and 6,987.92

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Solution

The fourth proportional to 18,073.43, 27,117.94 and 6,987.92 is: 10,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.43 : 27,117.94 = 6,987.92 : x
  2. Step 2: Convert to fraction form
    18,073.43/27,117.94 = 6,987.92/x
  3. Step 3: Cross multiply
    18,073.43x = 27,117.94 × 6,987.92
  4. Step 4: Simplify right side
    18,073.43x = 189,498,007.87
  5. Step 5: Solve for x
    x = 189,498,007.87/18,073.43
  6. Step 6: Final answer
    x = 10,484.90

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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.