Home / 18,003.43-27,009.50-6,758.87

Finding the Fourth Proportional to 18,003.43, 27,009.50 and 6,758.87

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Solution

The fourth proportional to 18,003.43, 27,009.50 and 6,758.87 is: 10,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.43 : 27,009.50 = 6,758.87 : x
  2. Step 2: Convert to fraction form
    18,003.43/27,009.50 = 6,758.87/x
  3. Step 3: Cross multiply
    18,003.43x = 27,009.50 × 6,758.87
  4. Step 4: Simplify right side
    18,003.43x = 182,553,699.27
  5. Step 5: Solve for x
    x = 182,553,699.27/18,003.43
  6. Step 6: Final answer
    x = 10,139.94

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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.