Home / 20,253.51-27,949.79-11,300.92

Finding the Fourth Proportional to 20,253.51, 27,949.79 and 11,300.92

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Solution

The fourth proportional to 20,253.51, 27,949.79 and 11,300.92 is: 15,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.51 : 27,949.79 = 11,300.92 : x
  2. Step 2: Convert to fraction form
    20,253.51/27,949.79 = 11,300.92/x
  3. Step 3: Cross multiply
    20,253.51x = 27,949.79 × 11,300.92
  4. Step 4: Simplify right side
    20,253.51x = 315,858,299.18
  5. Step 5: Solve for x
    x = 315,858,299.18/20,253.51
  6. Step 6: Final answer
    x = 15,595.24

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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.