Home / 22,611.24-31,203.45-12,539.43

Finding the Fourth Proportional to 22,611.24, 31,203.45 and 12,539.43

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Solution

The fourth proportional to 22,611.24, 31,203.45 and 12,539.43 is: 17,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.24 : 31,203.45 = 12,539.43 : x
  2. Step 2: Convert to fraction form
    22,611.24/31,203.45 = 12,539.43/x
  3. Step 3: Cross multiply
    22,611.24x = 31,203.45 × 12,539.43
  4. Step 4: Simplify right side
    22,611.24x = 391,273,477.03
  5. Step 5: Solve for x
    x = 391,273,477.03/22,611.24
  6. Step 6: Final answer
    x = 17,304.38

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Half scale
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Double scale
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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.