Home / 17,982.81-26,974.47-6,890.06

Finding the Fourth Proportional to 17,982.81, 26,974.47 and 6,890.06

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Solution

The fourth proportional to 17,982.81, 26,974.47 and 6,890.06 is: 10,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.81 : 26,974.47 = 6,890.06 : x
  2. Step 2: Convert to fraction form
    17,982.81/26,974.47 = 6,890.06/x
  3. Step 3: Cross multiply
    17,982.81x = 26,974.47 × 6,890.06
  4. Step 4: Simplify right side
    17,982.81x = 185,855,682.32
  5. Step 5: Solve for x
    x = 185,855,682.32/17,982.81
  6. Step 6: Final answer
    x = 10,335.19

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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.