Home / 11,346.54-17,021.97-4,420.50

Finding the Fourth Proportional to 11,346.54, 17,021.97 and 4,420.50

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Solution

The fourth proportional to 11,346.54, 17,021.97 and 4,420.50 is: 6,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.54 : 17,021.97 = 4,420.50 : x
  2. Step 2: Convert to fraction form
    11,346.54/17,021.97 = 4,420.50/x
  3. Step 3: Cross multiply
    11,346.54x = 17,021.97 × 4,420.50
  4. Step 4: Simplify right side
    11,346.54x = 75,245,618.39
  5. Step 5: Solve for x
    x = 75,245,618.39/11,346.54
  6. Step 6: Final answer
    x = 6,631.59

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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.