Home / 21,293.54-29,384.88-11,733.26

Finding the Fourth Proportional to 21,293.54, 29,384.88 and 11,733.26

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Solution

The fourth proportional to 21,293.54, 29,384.88 and 11,733.26 is: 16,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.54 : 29,384.88 = 11,733.26 : x
  2. Step 2: Convert to fraction form
    21,293.54/29,384.88 = 11,733.26/x
  3. Step 3: Cross multiply
    21,293.54x = 29,384.88 × 11,733.26
  4. Step 4: Simplify right side
    21,293.54x = 344,780,437.11
  5. Step 5: Solve for x
    x = 344,780,437.11/21,293.54
  6. Step 6: Final answer
    x = 16,191.79

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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.