Home / 20,253.74-27,949.50-11,054.94

Finding the Fourth Proportional to 20,253.74, 27,949.50 and 11,054.94

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Solution

The fourth proportional to 20,253.74, 27,949.50 and 11,054.94 is: 15,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.74 : 27,949.50 = 11,054.94 : x
  2. Step 2: Convert to fraction form
    20,253.74/27,949.50 = 11,054.94/x
  3. Step 3: Cross multiply
    20,253.74x = 27,949.50 × 11,054.94
  4. Step 4: Simplify right side
    20,253.74x = 308,979,905.78
  5. Step 5: Solve for x
    x = 308,979,905.78/20,253.74
  6. Step 6: Final answer
    x = 15,255.45

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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.