Home / 18,637.68-27,961.38-6,951

Finding the Fourth Proportional to 18,637.68, 27,961.38 and 6,951

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Solution

The fourth proportional to 18,637.68, 27,961.38 and 6,951 is: 10,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.68 : 27,961.38 = 6,951 : x
  2. Step 2: Convert to fraction form
    18,637.68/27,961.38 = 6,951/x
  3. Step 3: Cross multiply
    18,637.68x = 27,961.38 × 6,951
  4. Step 4: Simplify right side
    18,637.68x = 194,359,552.38
  5. Step 5: Solve for x
    x = 194,359,552.38/18,637.68
  6. Step 6: Final answer
    x = 10,428.31

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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.