Home / 18,131.84-27,181.35-6,442.32

Finding the Fourth Proportional to 18,131.84, 27,181.35 and 6,442.32

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Solution

The fourth proportional to 18,131.84, 27,181.35 and 6,442.32 is: 9,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.84 : 27,181.35 = 6,442.32 : x
  2. Step 2: Convert to fraction form
    18,131.84/27,181.35 = 6,442.32/x
  3. Step 3: Cross multiply
    18,131.84x = 27,181.35 × 6,442.32
  4. Step 4: Simplify right side
    18,131.84x = 175,110,954.73
  5. Step 5: Solve for x
    x = 175,110,954.73/18,131.84
  6. Step 6: Final answer
    x = 9,657.65

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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.