Home / 13,227.88-18,254.69-7,260.10

Finding the Fourth Proportional to 13,227.88, 18,254.69 and 7,260.10

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Solution

The fourth proportional to 13,227.88, 18,254.69 and 7,260.10 is: 10,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.88 : 18,254.69 = 7,260.10 : x
  2. Step 2: Convert to fraction form
    13,227.88/18,254.69 = 7,260.10/x
  3. Step 3: Cross multiply
    13,227.88x = 18,254.69 × 7,260.10
  4. Step 4: Simplify right side
    13,227.88x = 132,530,874.87
  5. Step 5: Solve for x
    x = 132,530,874.87/13,227.88
  6. Step 6: Final answer
    x = 10,019.06

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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.