Home / 17,789.12-26,689.44-7,401.92

Finding the Fourth Proportional to 17,789.12, 26,689.44 and 7,401.92

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Solution

The fourth proportional to 17,789.12, 26,689.44 and 7,401.92 is: 11,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.12 : 26,689.44 = 7,401.92 : x
  2. Step 2: Convert to fraction form
    17,789.12/26,689.44 = 7,401.92/x
  3. Step 3: Cross multiply
    17,789.12x = 26,689.44 × 7,401.92
  4. Step 4: Simplify right side
    17,789.12x = 197,553,099.72
  5. Step 5: Solve for x
    x = 197,553,099.72/17,789.12
  6. Step 6: Final answer
    x = 11,105.28

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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.