Home / 13,227.98-18,254.83-7,260.20

Finding the Fourth Proportional to 13,227.98, 18,254.83 and 7,260.20

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Solution

The fourth proportional to 13,227.98, 18,254.83 and 7,260.20 is: 10,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.98 : 18,254.83 = 7,260.20 : x
  2. Step 2: Convert to fraction form
    13,227.98/18,254.83 = 7,260.20/x
  3. Step 3: Cross multiply
    13,227.98x = 18,254.83 × 7,260.20
  4. Step 4: Simplify right side
    13,227.98x = 132,533,589.19
  5. Step 5: Solve for x
    x = 132,533,589.19/13,227.98
  6. Step 6: Final answer
    x = 10,019.19

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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.