Home / 21,611.93-29,824.47-11,675.93

Finding the Fourth Proportional to 21,611.93, 29,824.47 and 11,675.93

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Solution

The fourth proportional to 21,611.93, 29,824.47 and 11,675.93 is: 16,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.93 : 29,824.47 = 11,675.93 : x
  2. Step 2: Convert to fraction form
    21,611.93/29,824.47 = 11,675.93/x
  3. Step 3: Cross multiply
    21,611.93x = 29,824.47 × 11,675.93
  4. Step 4: Simplify right side
    21,611.93x = 348,228,424.01
  5. Step 5: Solve for x
    x = 348,228,424.01/21,611.93
  6. Step 6: Final answer
    x = 16,112.79

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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.