Home / 19,908.11-27,474.05-10,956.20

Finding the Fourth Proportional to 19,908.11, 27,474.05 and 10,956.20

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Solution

The fourth proportional to 19,908.11, 27,474.05 and 10,956.20 is: 15,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.11 : 27,474.05 = 10,956.20 : x
  2. Step 2: Convert to fraction form
    19,908.11/27,474.05 = 10,956.20/x
  3. Step 3: Cross multiply
    19,908.11x = 27,474.05 × 10,956.20
  4. Step 4: Simplify right side
    19,908.11x = 301,011,076.63
  5. Step 5: Solve for x
    x = 301,011,076.63/19,908.11
  6. Step 6: Final answer
    x = 15,120.02

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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.