Home / 16,272.90-22,469.40-11,242.80

Finding the Fourth Proportional to 16,272.90, 22,469.40 and 11,242.80

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Solution

The fourth proportional to 16,272.90, 22,469.40 and 11,242.80 is: 15,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.90 : 22,469.40 = 11,242.80 : x
  2. Step 2: Convert to fraction form
    16,272.90/22,469.40 = 11,242.80/x
  3. Step 3: Cross multiply
    16,272.90x = 22,469.40 × 11,242.80
  4. Step 4: Simplify right side
    16,272.90x = 252,618,970.32
  5. Step 5: Solve for x
    x = 252,618,970.32/16,272.90
  6. Step 6: Final answer
    x = 15,523.91

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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.