Home / 18,270.26-25,203.68-11,098.28

Finding the Fourth Proportional to 18,270.26, 25,203.68 and 11,098.28

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Solution

The fourth proportional to 18,270.26, 25,203.68 and 11,098.28 is: 15,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.26 : 25,203.68 = 11,098.28 : x
  2. Step 2: Convert to fraction form
    18,270.26/25,203.68 = 11,098.28/x
  3. Step 3: Cross multiply
    18,270.26x = 25,203.68 × 11,098.28
  4. Step 4: Simplify right side
    18,270.26x = 279,717,316.16
  5. Step 5: Solve for x
    x = 279,717,316.16/18,270.26
  6. Step 6: Final answer
    x = 15,309.98

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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.