Home / 17,120.60-25,679.16-11,609.36

Finding the Fourth Proportional to 17,120.60, 25,679.16 and 11,609.36

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Solution

The fourth proportional to 17,120.60, 25,679.16 and 11,609.36 is: 17,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.60 : 25,679.16 = 11,609.36 : x
  2. Step 2: Convert to fraction form
    17,120.60/25,679.16 = 11,609.36/x
  3. Step 3: Cross multiply
    17,120.60x = 25,679.16 × 11,609.36
  4. Step 4: Simplify right side
    17,120.60x = 298,118,612.94
  5. Step 5: Solve for x
    x = 298,118,612.94/17,120.60
  6. Step 6: Final answer
    x = 17,412.86

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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.