Home / 13,229.93-18,257.24-7,261.70

Finding the Fourth Proportional to 13,229.93, 18,257.24 and 7,261.70

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Solution

The fourth proportional to 13,229.93, 18,257.24 and 7,261.70 is: 10,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.93 : 18,257.24 = 7,261.70 : x
  2. Step 2: Convert to fraction form
    13,229.93/18,257.24 = 7,261.70/x
  3. Step 3: Cross multiply
    13,229.93x = 18,257.24 × 7,261.70
  4. Step 4: Simplify right side
    13,229.93x = 132,578,472.11
  5. Step 5: Solve for x
    x = 132,578,472.11/13,229.93
  6. Step 6: Final answer
    x = 10,021.11

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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.