Home / 17,118.92-25,678.37-6,447.29

Finding the Fourth Proportional to 17,118.92, 25,678.37 and 6,447.29

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Solution

The fourth proportional to 17,118.92, 25,678.37 and 6,447.29 is: 9,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.92 : 25,678.37 = 6,447.29 : x
  2. Step 2: Convert to fraction form
    17,118.92/25,678.37 = 6,447.29/x
  3. Step 3: Cross multiply
    17,118.92x = 25,678.37 × 6,447.29
  4. Step 4: Simplify right side
    17,118.92x = 165,555,749.58
  5. Step 5: Solve for x
    x = 165,555,749.58/17,118.92
  6. Step 6: Final answer
    x = 9,670.92

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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.