Home / 17,418.28-26,108.06-8,659.56

Finding the Fourth Proportional to 17,418.28, 26,108.06 and 8,659.56

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Solution

The fourth proportional to 17,418.28, 26,108.06 and 8,659.56 is: 12,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.28 : 26,108.06 = 8,659.56 : x
  2. Step 2: Convert to fraction form
    17,418.28/26,108.06 = 8,659.56/x
  3. Step 3: Cross multiply
    17,418.28x = 26,108.06 × 8,659.56
  4. Step 4: Simplify right side
    17,418.28x = 226,084,312.05
  5. Step 5: Solve for x
    x = 226,084,312.05/17,418.28
  6. Step 6: Final answer
    x = 12,979.72

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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.