Home / 18,257.87-25,191.59-11,087.58

Finding the Fourth Proportional to 18,257.87, 25,191.59 and 11,087.58

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Solution

The fourth proportional to 18,257.87, 25,191.59 and 11,087.58 is: 15,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.87 : 25,191.59 = 11,087.58 : x
  2. Step 2: Convert to fraction form
    18,257.87/25,191.59 = 11,087.58/x
  3. Step 3: Cross multiply
    18,257.87x = 25,191.59 × 11,087.58
  4. Step 4: Simplify right side
    18,257.87x = 279,313,714.01
  5. Step 5: Solve for x
    x = 279,313,714.01/18,257.87
  6. Step 6: Final answer
    x = 15,298.27

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Double scale
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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.