Home / 21,044.88-29,042.54-11,485.38

Finding the Fourth Proportional to 21,044.88, 29,042.54 and 11,485.38

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Solution

The fourth proportional to 21,044.88, 29,042.54 and 11,485.38 is: 15,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.88 : 29,042.54 = 11,485.38 : x
  2. Step 2: Convert to fraction form
    21,044.88/29,042.54 = 11,485.38/x
  3. Step 3: Cross multiply
    21,044.88x = 29,042.54 × 11,485.38
  4. Step 4: Simplify right side
    21,044.88x = 333,564,626.41
  5. Step 5: Solve for x
    x = 333,564,626.41/21,044.88
  6. Step 6: Final answer
    x = 15,850.16

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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.