Home / 13,104.75-18,086.13-7,441.26

Finding the Fourth Proportional to 13,104.75, 18,086.13 and 7,441.26

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Solution

The fourth proportional to 13,104.75, 18,086.13 and 7,441.26 is: 10,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.75 : 18,086.13 = 7,441.26 : x
  2. Step 2: Convert to fraction form
    13,104.75/18,086.13 = 7,441.26/x
  3. Step 3: Cross multiply
    13,104.75x = 18,086.13 × 7,441.26
  4. Step 4: Simplify right side
    13,104.75x = 134,583,595.72
  5. Step 5: Solve for x
    x = 134,583,595.72/13,104.75
  6. Step 6: Final answer
    x = 10,269.83

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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.