Home / 22,731.03-31,367.93-12,659.09

Finding the Fourth Proportional to 22,731.03, 31,367.93 and 12,659.09

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Solution

The fourth proportional to 22,731.03, 31,367.93 and 12,659.09 is: 17,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.03 : 31,367.93 = 12,659.09 : x
  2. Step 2: Convert to fraction form
    22,731.03/31,367.93 = 12,659.09/x
  3. Step 3: Cross multiply
    22,731.03x = 31,367.93 × 12,659.09
  4. Step 4: Simplify right side
    22,731.03x = 397,089,228.85
  5. Step 5: Solve for x
    x = 397,089,228.85/22,731.03
  6. Step 6: Final answer
    x = 17,469.04

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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.