Home / 11,077.20-16,617.90-3,582.78

Finding the Fourth Proportional to 11,077.20, 16,617.90 and 3,582.78

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Solution

The fourth proportional to 11,077.20, 16,617.90 and 3,582.78 is: 5,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.20 : 16,617.90 = 3,582.78 : x
  2. Step 2: Convert to fraction form
    11,077.20/16,617.90 = 3,582.78/x
  3. Step 3: Cross multiply
    11,077.20x = 16,617.90 × 3,582.78
  4. Step 4: Simplify right side
    11,077.20x = 59,538,279.76
  5. Step 5: Solve for x
    x = 59,538,279.76/11,077.20
  6. Step 6: Final answer
    x = 5,374.85

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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.