Home / 11,220.82-16,807.59-5,371.54

Finding the Fourth Proportional to 11,220.82, 16,807.59 and 5,371.54

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Solution

The fourth proportional to 11,220.82, 16,807.59 and 5,371.54 is: 8,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.82 : 16,807.59 = 5,371.54 : x
  2. Step 2: Convert to fraction form
    11,220.82/16,807.59 = 5,371.54/x
  3. Step 3: Cross multiply
    11,220.82x = 16,807.59 × 5,371.54
  4. Step 4: Simplify right side
    11,220.82x = 90,282,641.99
  5. Step 5: Solve for x
    x = 90,282,641.99/11,220.82
  6. Step 6: Final answer
    x = 8,045.99

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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.