Home / 17,013.82-25,498.51-8,686.79

Finding the Fourth Proportional to 17,013.82, 25,498.51 and 8,686.79

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Solution

The fourth proportional to 17,013.82, 25,498.51 and 8,686.79 is: 13,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.82 : 25,498.51 = 8,686.79 : x
  2. Step 2: Convert to fraction form
    17,013.82/25,498.51 = 8,686.79/x
  3. Step 3: Cross multiply
    17,013.82x = 25,498.51 × 8,686.79
  4. Step 4: Simplify right side
    17,013.82x = 221,500,201.68
  5. Step 5: Solve for x
    x = 221,500,201.68/17,013.82
  6. Step 6: Final answer
    x = 13,018.84

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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.