Home / 19,569.92-27,004.68-11,072.79

Finding the Fourth Proportional to 19,569.92, 27,004.68 and 11,072.79

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Solution

The fourth proportional to 19,569.92, 27,004.68 and 11,072.79 is: 15,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.92 : 27,004.68 = 11,072.79 : x
  2. Step 2: Convert to fraction form
    19,569.92/27,004.68 = 11,072.79/x
  3. Step 3: Cross multiply
    19,569.92x = 27,004.68 × 11,072.79
  4. Step 4: Simplify right side
    19,569.92x = 299,017,150.66
  5. Step 5: Solve for x
    x = 299,017,150.66/19,569.92
  6. Step 6: Final answer
    x = 15,279.43

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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.