Home / 11,113.64-16,652-7,819.82

Finding the Fourth Proportional to 11,113.64, 16,652 and 7,819.82

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Solution

The fourth proportional to 11,113.64, 16,652 and 7,819.82 is: 11,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.64 : 16,652 = 7,819.82 : x
  2. Step 2: Convert to fraction form
    11,113.64/16,652 = 7,819.82/x
  3. Step 3: Cross multiply
    11,113.64x = 16,652 × 7,819.82
  4. Step 4: Simplify right side
    11,113.64x = 130,215,642.64
  5. Step 5: Solve for x
    x = 130,215,642.64/11,113.64
  6. Step 6: Final answer
    x = 11,716.74

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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.