Home / 13,325.43-18,377.22-8,604.75

Finding the Fourth Proportional to 13,325.43, 18,377.22 and 8,604.75

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Solution

The fourth proportional to 13,325.43, 18,377.22 and 8,604.75 is: 11,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.43 : 18,377.22 = 8,604.75 : x
  2. Step 2: Convert to fraction form
    13,325.43/18,377.22 = 8,604.75/x
  3. Step 3: Cross multiply
    13,325.43x = 18,377.22 × 8,604.75
  4. Step 4: Simplify right side
    13,325.43x = 158,131,383.80
  5. Step 5: Solve for x
    x = 158,131,383.80/13,325.43
  6. Step 6: Final answer
    x = 11,866.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.