Home / 18,011.05-27,016.57-9,240.37

Finding the Fourth Proportional to 18,011.05, 27,016.57 and 9,240.37

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Solution

The fourth proportional to 18,011.05, 27,016.57 and 9,240.37 is: 13,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.05 : 27,016.57 = 9,240.37 : x
  2. Step 2: Convert to fraction form
    18,011.05/27,016.57 = 9,240.37/x
  3. Step 3: Cross multiply
    18,011.05x = 27,016.57 × 9,240.37
  4. Step 4: Simplify right side
    18,011.05x = 249,643,046.94
  5. Step 5: Solve for x
    x = 249,643,046.94/18,011.05
  6. Step 6: Final answer
    x = 13,860.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.