Home / 19,853.17-27,397.18-10,900.59

Finding the Fourth Proportional to 19,853.17, 27,397.18 and 10,900.59

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Solution

The fourth proportional to 19,853.17, 27,397.18 and 10,900.59 is: 15,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.17 : 27,397.18 = 10,900.59 : x
  2. Step 2: Convert to fraction form
    19,853.17/27,397.18 = 10,900.59/x
  3. Step 3: Cross multiply
    19,853.17x = 27,397.18 × 10,900.59
  4. Step 4: Simplify right side
    19,853.17x = 298,645,399.08
  5. Step 5: Solve for x
    x = 298,645,399.08/19,853.17
  6. Step 6: Final answer
    x = 15,042.71

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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.