Home / 17,419.92-26,129.88-4,272.18

Finding the Fourth Proportional to 17,419.92, 26,129.88 and 4,272.18

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Solution

The fourth proportional to 17,419.92, 26,129.88 and 4,272.18 is: 6,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.92 : 26,129.88 = 4,272.18 : x
  2. Step 2: Convert to fraction form
    17,419.92/26,129.88 = 4,272.18/x
  3. Step 3: Cross multiply
    17,419.92x = 26,129.88 × 4,272.18
  4. Step 4: Simplify right side
    17,419.92x = 111,631,550.74
  5. Step 5: Solve for x
    x = 111,631,550.74/17,419.92
  6. Step 6: Final answer
    x = 6,408.27

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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.