Home / 18,257.14-27,386.85-7,725.19

Finding the Fourth Proportional to 18,257.14, 27,386.85 and 7,725.19

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Solution

The fourth proportional to 18,257.14, 27,386.85 and 7,725.19 is: 11,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.14 : 27,386.85 = 7,725.19 : x
  2. Step 2: Convert to fraction form
    18,257.14/27,386.85 = 7,725.19/x
  3. Step 3: Cross multiply
    18,257.14x = 27,386.85 × 7,725.19
  4. Step 4: Simplify right side
    18,257.14x = 211,568,619.75
  5. Step 5: Solve for x
    x = 211,568,619.75/18,257.14
  6. Step 6: Final answer
    x = 11,588.27

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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.