Home / 11,289.78-16,933.86-3,498.39

Finding the Fourth Proportional to 11,289.78, 16,933.86 and 3,498.39

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Solution

The fourth proportional to 11,289.78, 16,933.86 and 3,498.39 is: 5,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.78 : 16,933.86 = 3,498.39 : x
  2. Step 2: Convert to fraction form
    11,289.78/16,933.86 = 3,498.39/x
  3. Step 3: Cross multiply
    11,289.78x = 16,933.86 × 3,498.39
  4. Step 4: Simplify right side
    11,289.78x = 59,241,246.49
  5. Step 5: Solve for x
    x = 59,241,246.49/11,289.78
  6. Step 6: Final answer
    x = 5,247.33

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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.