Home / 17,445.70-26,112.39-12,187.18

Finding the Fourth Proportional to 17,445.70, 26,112.39 and 12,187.18

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Solution

The fourth proportional to 17,445.70, 26,112.39 and 12,187.18 is: 18,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.70 : 26,112.39 = 12,187.18 : x
  2. Step 2: Convert to fraction form
    17,445.70/26,112.39 = 12,187.18/x
  3. Step 3: Cross multiply
    17,445.70x = 26,112.39 × 12,187.18
  4. Step 4: Simplify right side
    17,445.70x = 318,236,397.16
  5. Step 5: Solve for x
    x = 318,236,397.16/17,445.70
  6. Step 6: Final answer
    x = 18,241.54

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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.