Home / 18,477.06-27,717.66-5,329.50

Finding the Fourth Proportional to 18,477.06, 27,717.66 and 5,329.50

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Solution

The fourth proportional to 18,477.06, 27,717.66 and 5,329.50 is: 7,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.06 : 27,717.66 = 5,329.50 : x
  2. Step 2: Convert to fraction form
    18,477.06/27,717.66 = 5,329.50/x
  3. Step 3: Cross multiply
    18,477.06x = 27,717.66 × 5,329.50
  4. Step 4: Simplify right side
    18,477.06x = 147,721,268.97
  5. Step 5: Solve for x
    x = 147,721,268.97/18,477.06
  6. Step 6: Final answer
    x = 7,994.85

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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.