Home / 21,073.33-29,081.30-11,513.41

Finding the Fourth Proportional to 21,073.33, 29,081.30 and 11,513.41

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Solution

The fourth proportional to 21,073.33, 29,081.30 and 11,513.41 is: 15,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.33 : 29,081.30 = 11,513.41 : x
  2. Step 2: Convert to fraction form
    21,073.33/29,081.30 = 11,513.41/x
  3. Step 3: Cross multiply
    21,073.33x = 29,081.30 × 11,513.41
  4. Step 4: Simplify right side
    21,073.33x = 334,824,886.31
  5. Step 5: Solve for x
    x = 334,824,886.31/21,073.33
  6. Step 6: Final answer
    x = 15,888.56

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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.