Home / 19,853.54-27,398.88-10,900.94

Finding the Fourth Proportional to 19,853.54, 27,398.88 and 10,900.94

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Solution

The fourth proportional to 19,853.54, 27,398.88 and 10,900.94 is: 15,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.54 : 27,398.88 = 10,900.94 : x
  2. Step 2: Convert to fraction form
    19,853.54/27,398.88 = 10,900.94/x
  3. Step 3: Cross multiply
    19,853.54x = 27,398.88 × 10,900.94
  4. Step 4: Simplify right side
    19,853.54x = 298,673,546.95
  5. Step 5: Solve for x
    x = 298,673,546.95/19,853.54
  6. Step 6: Final answer
    x = 15,043.84

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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.