Home / 13,086.26-18,048.67-9,251.11

Finding the Fourth Proportional to 13,086.26, 18,048.67 and 9,251.11

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Solution

The fourth proportional to 13,086.26, 18,048.67 and 9,251.11 is: 12,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.26 : 18,048.67 = 9,251.11 : x
  2. Step 2: Convert to fraction form
    13,086.26/18,048.67 = 9,251.11/x
  3. Step 3: Cross multiply
    13,086.26x = 18,048.67 × 9,251.11
  4. Step 4: Simplify right side
    13,086.26x = 166,970,282.99
  5. Step 5: Solve for x
    x = 166,970,282.99/13,086.26
  6. Step 6: Final answer
    x = 12,759.21

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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.