Home / 11,240.18-16,862.99-4,220.27

Finding the Fourth Proportional to 11,240.18, 16,862.99 and 4,220.27

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Solution

The fourth proportional to 11,240.18, 16,862.99 and 4,220.27 is: 6,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.18 : 16,862.99 = 4,220.27 : x
  2. Step 2: Convert to fraction form
    11,240.18/16,862.99 = 4,220.27/x
  3. Step 3: Cross multiply
    11,240.18x = 16,862.99 × 4,220.27
  4. Step 4: Simplify right side
    11,240.18x = 71,166,265.39
  5. Step 5: Solve for x
    x = 71,166,265.39/11,240.18
  6. Step 6: Final answer
    x = 6,331.42

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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.