Home / 21,310.62-31,959.01-10,064.22

Finding the Fourth Proportional to 21,310.62, 31,959.01 and 10,064.22

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Solution

The fourth proportional to 21,310.62, 31,959.01 and 10,064.22 is: 15,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,310.62 : 31,959.01 = 10,064.22 : x
  2. Step 2: Convert to fraction form
    21,310.62/31,959.01 = 10,064.22/x
  3. Step 3: Cross multiply
    21,310.62x = 31,959.01 × 10,064.22
  4. Step 4: Simplify right side
    21,310.62x = 321,642,297.51
  5. Step 5: Solve for x
    x = 321,642,297.51/21,310.62
  6. Step 6: Final answer
    x = 15,093.06

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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.