Home / 18,399.09-27,602.73-5,251.56

Finding the Fourth Proportional to 18,399.09, 27,602.73 and 5,251.56

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Solution

The fourth proportional to 18,399.09, 27,602.73 and 5,251.56 is: 7,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.09 : 27,602.73 = 5,251.56 : x
  2. Step 2: Convert to fraction form
    18,399.09/27,602.73 = 5,251.56/x
  3. Step 3: Cross multiply
    18,399.09x = 27,602.73 × 5,251.56
  4. Step 4: Simplify right side
    18,399.09x = 144,957,392.76
  5. Step 5: Solve for x
    x = 144,957,392.76/18,399.09
  6. Step 6: Final answer
    x = 7,878.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.