Home / 11,219.33-15,484.05-6,745.43

Finding the Fourth Proportional to 11,219.33, 15,484.05 and 6,745.43

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Solution

The fourth proportional to 11,219.33, 15,484.05 and 6,745.43 is: 9,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.33 : 15,484.05 = 6,745.43 : x
  2. Step 2: Convert to fraction form
    11,219.33/15,484.05 = 6,745.43/x
  3. Step 3: Cross multiply
    11,219.33x = 15,484.05 × 6,745.43
  4. Step 4: Simplify right side
    11,219.33x = 104,446,497.97
  5. Step 5: Solve for x
    x = 104,446,497.97/11,219.33
  6. Step 6: Final answer
    x = 9,309.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.