Home / 18,235.74-25,181.91-13,751.82

Finding the Fourth Proportional to 18,235.74, 25,181.91 and 13,751.82

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Solution

The fourth proportional to 18,235.74, 25,181.91 and 13,751.82 is: 18,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.74 : 25,181.91 = 13,751.82 : x
  2. Step 2: Convert to fraction form
    18,235.74/25,181.91 = 13,751.82/x
  3. Step 3: Cross multiply
    18,235.74x = 25,181.91 × 13,751.82
  4. Step 4: Simplify right side
    18,235.74x = 346,297,093.58
  5. Step 5: Solve for x
    x = 346,297,093.58/18,235.74
  6. Step 6: Final answer
    x = 18,990.02

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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.