Home / 10,787.52-16,179.12-2,994.60

Finding the Fourth Proportional to 10,787.52, 16,179.12 and 2,994.60

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Solution

The fourth proportional to 10,787.52, 16,179.12 and 2,994.60 is: 4,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.52 : 16,179.12 = 2,994.60 : x
  2. Step 2: Convert to fraction form
    10,787.52/16,179.12 = 2,994.60/x
  3. Step 3: Cross multiply
    10,787.52x = 16,179.12 × 2,994.60
  4. Step 4: Simplify right side
    10,787.52x = 48,449,992.75
  5. Step 5: Solve for x
    x = 48,449,992.75/10,787.52
  6. Step 6: Final answer
    x = 4,491.30

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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.