Home / 21,814.31-32,721.77-6,231.94

Finding the Fourth Proportional to 21,814.31, 32,721.77 and 6,231.94

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Solution

The fourth proportional to 21,814.31, 32,721.77 and 6,231.94 is: 9,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.31 : 32,721.77 = 6,231.94 : x
  2. Step 2: Convert to fraction form
    21,814.31/32,721.77 = 6,231.94/x
  3. Step 3: Cross multiply
    21,814.31x = 32,721.77 × 6,231.94
  4. Step 4: Simplify right side
    21,814.31x = 203,920,041.11
  5. Step 5: Solve for x
    x = 203,920,041.11/21,814.31
  6. Step 6: Final answer
    x = 9,347.99

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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.