Home / 11,135.52-16,711.72-4,122.16

Finding the Fourth Proportional to 11,135.52, 16,711.72 and 4,122.16

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Solution

The fourth proportional to 11,135.52, 16,711.72 and 4,122.16 is: 6,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.52 : 16,711.72 = 4,122.16 : x
  2. Step 2: Convert to fraction form
    11,135.52/16,711.72 = 4,122.16/x
  3. Step 3: Cross multiply
    11,135.52x = 16,711.72 × 4,122.16
  4. Step 4: Simplify right side
    11,135.52x = 68,888,383.72
  5. Step 5: Solve for x
    x = 68,888,383.72/11,135.52
  6. Step 6: Final answer
    x = 6,186.36

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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.