Home / 11,112.60-16,665.30-3,715.14

Finding the Fourth Proportional to 11,112.60, 16,665.30 and 3,715.14

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Solution

The fourth proportional to 11,112.60, 16,665.30 and 3,715.14 is: 5,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.60 : 16,665.30 = 3,715.14 : x
  2. Step 2: Convert to fraction form
    11,112.60/16,665.30 = 3,715.14/x
  3. Step 3: Cross multiply
    11,112.60x = 16,665.30 × 3,715.14
  4. Step 4: Simplify right side
    11,112.60x = 61,913,922.64
  5. Step 5: Solve for x
    x = 61,913,922.64/11,112.60
  6. Step 6: Final answer
    x = 5,571.51

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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.