Home / 13,274.46-18,318.24-7,305.75

Finding the Fourth Proportional to 13,274.46, 18,318.24 and 7,305.75

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Solution

The fourth proportional to 13,274.46, 18,318.24 and 7,305.75 is: 10,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.46 : 18,318.24 = 7,305.75 : x
  2. Step 2: Convert to fraction form
    13,274.46/18,318.24 = 7,305.75/x
  3. Step 3: Cross multiply
    13,274.46x = 18,318.24 × 7,305.75
  4. Step 4: Simplify right side
    13,274.46x = 133,828,481.88
  5. Step 5: Solve for x
    x = 133,828,481.88/13,274.46
  6. Step 6: Final answer
    x = 10,081.65

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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.