Home / 21,265.38-31,904.92-6,477.14

Finding the Fourth Proportional to 21,265.38, 31,904.92 and 6,477.14

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Solution

The fourth proportional to 21,265.38, 31,904.92 and 6,477.14 is: 9,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.38 : 31,904.92 = 6,477.14 : x
  2. Step 2: Convert to fraction form
    21,265.38/31,904.92 = 6,477.14/x
  3. Step 3: Cross multiply
    21,265.38x = 31,904.92 × 6,477.14
  4. Step 4: Simplify right side
    21,265.38x = 206,652,633.53
  5. Step 5: Solve for x
    x = 206,652,633.53/21,265.38
  6. Step 6: Final answer
    x = 9,717.80

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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.