Home / 19,853.88-27,397.28-10,902.56

Finding the Fourth Proportional to 19,853.88, 27,397.28 and 10,902.56

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Solution

The fourth proportional to 19,853.88, 27,397.28 and 10,902.56 is: 15,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.88 : 27,397.28 = 10,902.56 : x
  2. Step 2: Convert to fraction form
    19,853.88/27,397.28 = 10,902.56/x
  3. Step 3: Cross multiply
    19,853.88x = 27,397.28 × 10,902.56
  4. Step 4: Simplify right side
    19,853.88x = 298,700,489.04
  5. Step 5: Solve for x
    x = 298,700,489.04/19,853.88
  6. Step 6: Final answer
    x = 15,044.94

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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.