Home / 11,116.11-16,670.11-4,871.82

Finding the Fourth Proportional to 11,116.11, 16,670.11 and 4,871.82

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Solution

The fourth proportional to 11,116.11, 16,670.11 and 4,871.82 is: 7,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.11 : 16,670.11 = 4,871.82 : x
  2. Step 2: Convert to fraction form
    11,116.11/16,670.11 = 4,871.82/x
  3. Step 3: Cross multiply
    11,116.11x = 16,670.11 × 4,871.82
  4. Step 4: Simplify right side
    11,116.11x = 81,213,775.30
  5. Step 5: Solve for x
    x = 81,213,775.30/11,116.11
  6. Step 6: Final answer
    x = 7,305.95

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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.