Home / 18,329.60-27,495.84-5,181.76

Finding the Fourth Proportional to 18,329.60, 27,495.84 and 5,181.76

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Solution

The fourth proportional to 18,329.60, 27,495.84 and 5,181.76 is: 7,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.60 : 27,495.84 = 5,181.76 : x
  2. Step 2: Convert to fraction form
    18,329.60/27,495.84 = 5,181.76/x
  3. Step 3: Cross multiply
    18,329.60x = 27,495.84 × 5,181.76
  4. Step 4: Simplify right side
    18,329.60x = 142,476,843.88
  5. Step 5: Solve for x
    x = 142,476,843.88/18,329.60
  6. Step 6: Final answer
    x = 7,773.05

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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.