Home / 18,664.11-27,992.93-6,974.91

Finding the Fourth Proportional to 18,664.11, 27,992.93 and 6,974.91

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Solution

The fourth proportional to 18,664.11, 27,992.93 and 6,974.91 is: 10,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.11 : 27,992.93 = 6,974.91 : x
  2. Step 2: Convert to fraction form
    18,664.11/27,992.93 = 6,974.91/x
  3. Step 3: Cross multiply
    18,664.11x = 27,992.93 × 6,974.91
  4. Step 4: Simplify right side
    18,664.11x = 195,248,132.51
  5. Step 5: Solve for x
    x = 195,248,132.51/18,664.11
  6. Step 6: Final answer
    x = 10,461.15

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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.