Home / 21,044.94-29,042.64-11,485.45

Finding the Fourth Proportional to 21,044.94, 29,042.64 and 11,485.45

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Solution

The fourth proportional to 21,044.94, 29,042.64 and 11,485.45 is: 15,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.94 : 29,042.64 = 11,485.45 : x
  2. Step 2: Convert to fraction form
    21,044.94/29,042.64 = 11,485.45/x
  3. Step 3: Cross multiply
    21,044.94x = 29,042.64 × 11,485.45
  4. Step 4: Simplify right side
    21,044.94x = 333,567,673.91
  5. Step 5: Solve for x
    x = 333,567,673.91/21,044.94
  6. Step 6: Final answer
    x = 15,850.25

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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.