Home / 12,184.74-18,273.33-4,787.19

Finding the Fourth Proportional to 12,184.74, 18,273.33 and 4,787.19

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Solution

The fourth proportional to 12,184.74, 18,273.33 and 4,787.19 is: 7,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.74 : 18,273.33 = 4,787.19 : x
  2. Step 2: Convert to fraction form
    12,184.74/18,273.33 = 4,787.19/x
  3. Step 3: Cross multiply
    12,184.74x = 18,273.33 × 4,787.19
  4. Step 4: Simplify right side
    12,184.74x = 87,477,902.64
  5. Step 5: Solve for x
    x = 87,477,902.64/12,184.74
  6. Step 6: Final answer
    x = 7,179.30

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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.