Home / 19,579.59-27,013.41-11,080.87

Finding the Fourth Proportional to 19,579.59, 27,013.41 and 11,080.87

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Solution

The fourth proportional to 19,579.59, 27,013.41 and 11,080.87 is: 15,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.59 : 27,013.41 = 11,080.87 : x
  2. Step 2: Convert to fraction form
    19,579.59/27,013.41 = 11,080.87/x
  3. Step 3: Cross multiply
    19,579.59x = 27,013.41 × 11,080.87
  4. Step 4: Simplify right side
    19,579.59x = 299,332,042.91
  5. Step 5: Solve for x
    x = 299,332,042.91/19,579.59
  6. Step 6: Final answer
    x = 15,287.96

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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.