Home / 13,229.43-18,257.01-7,261.50

Finding the Fourth Proportional to 13,229.43, 18,257.01 and 7,261.50

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Solution

The fourth proportional to 13,229.43, 18,257.01 and 7,261.50 is: 10,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.43 : 18,257.01 = 7,261.50 : x
  2. Step 2: Convert to fraction form
    13,229.43/18,257.01 = 7,261.50/x
  3. Step 3: Cross multiply
    13,229.43x = 18,257.01 × 7,261.50
  4. Step 4: Simplify right side
    13,229.43x = 132,573,278.12
  5. Step 5: Solve for x
    x = 132,573,278.12/13,229.43
  6. Step 6: Final answer
    x = 10,021.09

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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.