Home / 11,110.69-15,336.61-6,396.85

Finding the Fourth Proportional to 11,110.69, 15,336.61 and 6,396.85

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Solution

The fourth proportional to 11,110.69, 15,336.61 and 6,396.85 is: 8,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.69 : 15,336.61 = 6,396.85 : x
  2. Step 2: Convert to fraction form
    11,110.69/15,336.61 = 6,396.85/x
  3. Step 3: Cross multiply
    11,110.69x = 15,336.61 × 6,396.85
  4. Step 4: Simplify right side
    11,110.69x = 98,106,032.84
  5. Step 5: Solve for x
    x = 98,106,032.84/11,110.69
  6. Step 6: Final answer
    x = 8,829.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.