Home / 21,266.83-31,904.03-6,474.07

Finding the Fourth Proportional to 21,266.83, 31,904.03 and 6,474.07

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Solution

The fourth proportional to 21,266.83, 31,904.03 and 6,474.07 is: 9,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.83 : 31,904.03 = 6,474.07 : x
  2. Step 2: Convert to fraction form
    21,266.83/31,904.03 = 6,474.07/x
  3. Step 3: Cross multiply
    21,266.83x = 31,904.03 × 6,474.07
  4. Step 4: Simplify right side
    21,266.83x = 206,548,891.13
  5. Step 5: Solve for x
    x = 206,548,891.13/21,266.83
  6. Step 6: Final answer
    x = 9,712.26

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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.