Home / 21,373-29,494.74-11,943.79

Finding the Fourth Proportional to 21,373, 29,494.74 and 11,943.79

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Solution

The fourth proportional to 21,373, 29,494.74 and 11,943.79 is: 16,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373 : 29,494.74 = 11,943.79 : x
  2. Step 2: Convert to fraction form
    21,373/29,494.74 = 11,943.79/x
  3. Step 3: Cross multiply
    21,373x = 29,494.74 × 11,943.79
  4. Step 4: Simplify right side
    21,373x = 352,278,980.66
  5. Step 5: Solve for x
    x = 352,278,980.66/21,373
  6. Step 6: Final answer
    x = 16,482.43

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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.