Home / 19,908.30-27,472.92-10,955.82

Finding the Fourth Proportional to 19,908.30, 27,472.92 and 10,955.82

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Solution

The fourth proportional to 19,908.30, 27,472.92 and 10,955.82 is: 15,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.30 : 27,472.92 = 10,955.82 : x
  2. Step 2: Convert to fraction form
    19,908.30/27,472.92 = 10,955.82/x
  3. Step 3: Cross multiply
    19,908.30x = 27,472.92 × 10,955.82
  4. Step 4: Simplify right side
    19,908.30x = 300,988,366.39
  5. Step 5: Solve for x
    x = 300,988,366.39/19,908.30
  6. Step 6: Final answer
    x = 15,118.74

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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.