Home / 11,801.78-17,696.91-4,200.53

Finding the Fourth Proportional to 11,801.78, 17,696.91 and 4,200.53

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Solution

The fourth proportional to 11,801.78, 17,696.91 and 4,200.53 is: 6,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.78 : 17,696.91 = 4,200.53 : x
  2. Step 2: Convert to fraction form
    11,801.78/17,696.91 = 4,200.53/x
  3. Step 3: Cross multiply
    11,801.78x = 17,696.91 × 4,200.53
  4. Step 4: Simplify right side
    11,801.78x = 74,336,401.36
  5. Step 5: Solve for x
    x = 74,336,401.36/11,801.78
  6. Step 6: Final answer
    x = 6,298.74

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1.5x scale

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.