Home / 13,268.19-18,310.17-7,299.69

Finding the Fourth Proportional to 13,268.19, 18,310.17 and 7,299.69

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Solution

The fourth proportional to 13,268.19, 18,310.17 and 7,299.69 is: 10,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.19 : 18,310.17 = 7,299.69 : x
  2. Step 2: Convert to fraction form
    13,268.19/18,310.17 = 7,299.69/x
  3. Step 3: Cross multiply
    13,268.19x = 18,310.17 × 7,299.69
  4. Step 4: Simplify right side
    13,268.19x = 133,658,564.85
  5. Step 5: Solve for x
    x = 133,658,564.85/13,268.19
  6. Step 6: Final answer
    x = 10,073.61

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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.