Home / 11,077.21-16,617.91-3,582.78

Finding the Fourth Proportional to 11,077.21, 16,617.91 and 3,582.78

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Solution

The fourth proportional to 11,077.21, 16,617.91 and 3,582.78 is: 5,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.21 : 16,617.91 = 3,582.78 : x
  2. Step 2: Convert to fraction form
    11,077.21/16,617.91 = 3,582.78/x
  3. Step 3: Cross multiply
    11,077.21x = 16,617.91 × 3,582.78
  4. Step 4: Simplify right side
    11,077.21x = 59,538,306.63
  5. Step 5: Solve for x
    x = 59,538,306.63/11,077.21
  6. Step 6: Final answer
    x = 5,374.85

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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.