Home / 17,009.11-23,381.78-15,197.59

Finding the Fourth Proportional to 17,009.11, 23,381.78 and 15,197.59

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Solution

The fourth proportional to 17,009.11, 23,381.78 and 15,197.59 is: 20,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.11 : 23,381.78 = 15,197.59 : x
  2. Step 2: Convert to fraction form
    17,009.11/23,381.78 = 15,197.59/x
  3. Step 3: Cross multiply
    17,009.11x = 23,381.78 × 15,197.59
  4. Step 4: Simplify right side
    17,009.11x = 355,346,705.91
  5. Step 5: Solve for x
    x = 355,346,705.91/17,009.11
  6. Step 6: Final answer
    x = 20,891.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.