Home / 22,611.26-31,203.55-12,539.82

Finding the Fourth Proportional to 22,611.26, 31,203.55 and 12,539.82

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Solution

The fourth proportional to 22,611.26, 31,203.55 and 12,539.82 is: 17,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.26 : 31,203.55 = 12,539.82 : x
  2. Step 2: Convert to fraction form
    22,611.26/31,203.55 = 12,539.82/x
  3. Step 3: Cross multiply
    22,611.26x = 31,203.55 × 12,539.82
  4. Step 4: Simplify right side
    22,611.26x = 391,286,837.66
  5. Step 5: Solve for x
    x = 391,286,837.66/22,611.26
  6. Step 6: Final answer
    x = 17,304.96

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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.