Home / 13,252.12-18,286.82-7,663.48

Finding the Fourth Proportional to 13,252.12, 18,286.82 and 7,663.48

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Solution

The fourth proportional to 13,252.12, 18,286.82 and 7,663.48 is: 10,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.12 : 18,286.82 = 7,663.48 : x
  2. Step 2: Convert to fraction form
    13,252.12/18,286.82 = 7,663.48/x
  3. Step 3: Cross multiply
    13,252.12x = 18,286.82 × 7,663.48
  4. Step 4: Simplify right side
    13,252.12x = 140,140,679.33
  5. Step 5: Solve for x
    x = 140,140,679.33/13,252.12
  6. Step 6: Final answer
    x = 10,574.96

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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.