Home / 19,937.25-27,513.27-11,979.27

Finding the Fourth Proportional to 19,937.25, 27,513.27 and 11,979.27

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Solution

The fourth proportional to 19,937.25, 27,513.27 and 11,979.27 is: 16,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.25 : 27,513.27 = 11,979.27 : x
  2. Step 2: Convert to fraction form
    19,937.25/27,513.27 = 11,979.27/x
  3. Step 3: Cross multiply
    19,937.25x = 27,513.27 × 11,979.27
  4. Step 4: Simplify right side
    19,937.25x = 329,588,889.91
  5. Step 5: Solve for x
    x = 329,588,889.91/19,937.25
  6. Step 6: Final answer
    x = 16,531.31

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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.