Home / 19,843.70-27,385.08-10,891.52

Finding the Fourth Proportional to 19,843.70, 27,385.08 and 10,891.52

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Solution

The fourth proportional to 19,843.70, 27,385.08 and 10,891.52 is: 15,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.70 : 27,385.08 = 10,891.52 : x
  2. Step 2: Convert to fraction form
    19,843.70/27,385.08 = 10,891.52/x
  3. Step 3: Cross multiply
    19,843.70x = 27,385.08 × 10,891.52
  4. Step 4: Simplify right side
    19,843.70x = 298,265,146.52
  5. Step 5: Solve for x
    x = 298,265,146.52/19,843.70
  6. Step 6: Final answer
    x = 15,030.72

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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.