Home / 21,271.00-31,908.12-6,481.18

Finding the Fourth Proportional to 21,271.00, 31,908.12 and 6,481.18

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Solution

The fourth proportional to 21,271.00, 31,908.12 and 6,481.18 is: 9,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271.00 : 31,908.12 = 6,481.18 : x
  2. Step 2: Convert to fraction form
    21,271.00/31,908.12 = 6,481.18/x
  3. Step 3: Cross multiply
    21,271.00x = 31,908.12 × 6,481.18
  4. Step 4: Simplify right side
    21,271.00x = 206,802,077.24
  5. Step 5: Solve for x
    x = 206,802,077.24/21,271.00
  6. Step 6: Final answer
    x = 9,722.26

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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.