Home / 26,186.60-39,283.14-8,418.44

Finding the Fourth Proportional to 26,186.60, 39,283.14 and 8,418.44

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Solution

The fourth proportional to 26,186.60, 39,283.14 and 8,418.44 is: 12,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.60 : 39,283.14 = 8,418.44 : x
  2. Step 2: Convert to fraction form
    26,186.60/39,283.14 = 8,418.44/x
  3. Step 3: Cross multiply
    26,186.60x = 39,283.14 × 8,418.44
  4. Step 4: Simplify right side
    26,186.60x = 330,702,757.10
  5. Step 5: Solve for x
    x = 330,702,757.10/26,186.60
  6. Step 6: Final answer
    x = 12,628.70

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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.