Home / 15,351.57-21,093.36-12,202.29

Finding the Fourth Proportional to 15,351.57, 21,093.36 and 12,202.29

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Solution

The fourth proportional to 15,351.57, 21,093.36 and 12,202.29 is: 16,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.57 : 21,093.36 = 12,202.29 : x
  2. Step 2: Convert to fraction form
    15,351.57/21,093.36 = 12,202.29/x
  3. Step 3: Cross multiply
    15,351.57x = 21,093.36 × 12,202.29
  4. Step 4: Simplify right side
    15,351.57x = 257,387,295.79
  5. Step 5: Solve for x
    x = 257,387,295.79/15,351.57
  6. Step 6: Final answer
    x = 16,766.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.