Home / 17,939.24-26,884.20-9,155.70

Finding the Fourth Proportional to 17,939.24, 26,884.20 and 9,155.70

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Solution

The fourth proportional to 17,939.24, 26,884.20 and 9,155.70 is: 13,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.24 : 26,884.20 = 9,155.70 : x
  2. Step 2: Convert to fraction form
    17,939.24/26,884.20 = 9,155.70/x
  3. Step 3: Cross multiply
    17,939.24x = 26,884.20 × 9,155.70
  4. Step 4: Simplify right side
    17,939.24x = 246,143,669.94
  5. Step 5: Solve for x
    x = 246,143,669.94/17,939.24
  6. Step 6: Final answer
    x = 13,720.96

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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.