Home / 11,216.67-16,892.10-10,220.23

Finding the Fourth Proportional to 11,216.67, 16,892.10 and 10,220.23

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Solution

The fourth proportional to 11,216.67, 16,892.10 and 10,220.23 is: 15,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.67 : 16,892.10 = 10,220.23 : x
  2. Step 2: Convert to fraction form
    11,216.67/16,892.10 = 10,220.23/x
  3. Step 3: Cross multiply
    11,216.67x = 16,892.10 × 10,220.23
  4. Step 4: Simplify right side
    11,216.67x = 172,641,147.18
  5. Step 5: Solve for x
    x = 172,641,147.18/11,216.67
  6. Step 6: Final answer
    x = 15,391.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.