Home / 11,220.48-16,824.96-4,645.44

Finding the Fourth Proportional to 11,220.48, 16,824.96 and 4,645.44

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Solution

The fourth proportional to 11,220.48, 16,824.96 and 4,645.44 is: 6,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.48 : 16,824.96 = 4,645.44 : x
  2. Step 2: Convert to fraction form
    11,220.48/16,824.96 = 4,645.44/x
  3. Step 3: Cross multiply
    11,220.48x = 16,824.96 × 4,645.44
  4. Step 4: Simplify right side
    11,220.48x = 78,159,342.18
  5. Step 5: Solve for x
    x = 78,159,342.18/11,220.48
  6. Step 6: Final answer
    x = 6,965.78

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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.