Home / 18,269.89-25,203.16-11,097.90

Finding the Fourth Proportional to 18,269.89, 25,203.16 and 11,097.90

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Solution

The fourth proportional to 18,269.89, 25,203.16 and 11,097.90 is: 15,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.89 : 25,203.16 = 11,097.90 : x
  2. Step 2: Convert to fraction form
    18,269.89/25,203.16 = 11,097.90/x
  3. Step 3: Cross multiply
    18,269.89x = 25,203.16 × 11,097.90
  4. Step 4: Simplify right side
    18,269.89x = 279,702,121.62
  5. Step 5: Solve for x
    x = 279,702,121.62/18,269.89
  6. Step 6: Final answer
    x = 15,309.46

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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.