Home / 13,247.93-18,282.48-7,279.75

Finding the Fourth Proportional to 13,247.93, 18,282.48 and 7,279.75

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Solution

The fourth proportional to 13,247.93, 18,282.48 and 7,279.75 is: 10,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.93 : 18,282.48 = 7,279.75 : x
  2. Step 2: Convert to fraction form
    13,247.93/18,282.48 = 7,279.75/x
  3. Step 3: Cross multiply
    13,247.93x = 18,282.48 × 7,279.75
  4. Step 4: Simplify right side
    13,247.93x = 133,091,755.97
  5. Step 5: Solve for x
    x = 133,091,755.97/13,247.93
  6. Step 6: Final answer
    x = 10,046.23

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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.