Home / 17,939.60-26,901.30-8,073.80

Finding the Fourth Proportional to 17,939.60, 26,901.30 and 8,073.80

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Solution

The fourth proportional to 17,939.60, 26,901.30 and 8,073.80 is: 12,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.60 : 26,901.30 = 8,073.80 : x
  2. Step 2: Convert to fraction form
    17,939.60/26,901.30 = 8,073.80/x
  3. Step 3: Cross multiply
    17,939.60x = 26,901.30 × 8,073.80
  4. Step 4: Simplify right side
    17,939.60x = 217,195,715.94
  5. Step 5: Solve for x
    x = 217,195,715.94/17,939.60
  6. Step 6: Final answer
    x = 12,107.05

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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.