Home / 18,305.33-25,257.96-10,239.12

Finding the Fourth Proportional to 18,305.33, 25,257.96 and 10,239.12

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Solution

The fourth proportional to 18,305.33, 25,257.96 and 10,239.12 is: 14,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.33 : 25,257.96 = 10,239.12 : x
  2. Step 2: Convert to fraction form
    18,305.33/25,257.96 = 10,239.12/x
  3. Step 3: Cross multiply
    18,305.33x = 25,257.96 × 10,239.12
  4. Step 4: Simplify right side
    18,305.33x = 258,619,283.40
  5. Step 5: Solve for x
    x = 258,619,283.40/18,305.33
  6. Step 6: Final answer
    x = 14,128.09

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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.