Home / 11,078.60-16,621.12-3,582

Finding the Fourth Proportional to 11,078.60, 16,621.12 and 3,582

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Solution

The fourth proportional to 11,078.60, 16,621.12 and 3,582 is: 5,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.60 : 16,621.12 = 3,582 : x
  2. Step 2: Convert to fraction form
    11,078.60/16,621.12 = 3,582/x
  3. Step 3: Cross multiply
    11,078.60x = 16,621.12 × 3,582
  4. Step 4: Simplify right side
    11,078.60x = 59,536,851.84
  5. Step 5: Solve for x
    x = 59,536,851.84/11,078.60
  6. Step 6: Final answer
    x = 5,374.04

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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.