Home / 11,122.06-16,679.04-4,881.82

Finding the Fourth Proportional to 11,122.06, 16,679.04 and 4,881.82

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Solution

The fourth proportional to 11,122.06, 16,679.04 and 4,881.82 is: 7,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.06 : 16,679.04 = 4,881.82 : x
  2. Step 2: Convert to fraction form
    11,122.06/16,679.04 = 4,881.82/x
  3. Step 3: Cross multiply
    11,122.06x = 16,679.04 × 4,881.82
  4. Step 4: Simplify right side
    11,122.06x = 81,424,071.05
  5. Step 5: Solve for x
    x = 81,424,071.05/11,122.06
  6. Step 6: Final answer
    x = 7,320.95

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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.