Home / 22,682.66-31,302.14-12,611.75

Finding the Fourth Proportional to 22,682.66, 31,302.14 and 12,611.75

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Solution

The fourth proportional to 22,682.66, 31,302.14 and 12,611.75 is: 17,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.66 : 31,302.14 = 12,611.75 : x
  2. Step 2: Convert to fraction form
    22,682.66/31,302.14 = 12,611.75/x
  3. Step 3: Cross multiply
    22,682.66x = 31,302.14 × 12,611.75
  4. Step 4: Simplify right side
    22,682.66x = 394,774,544.58
  5. Step 5: Solve for x
    x = 394,774,544.58/22,682.66
  6. Step 6: Final answer
    x = 17,404.25

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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.