Home / 21,614.94-32,425.11-6,821.69

Finding the Fourth Proportional to 21,614.94, 32,425.11 and 6,821.69

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Solution

The fourth proportional to 21,614.94, 32,425.11 and 6,821.69 is: 10,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.94 : 32,425.11 = 6,821.69 : x
  2. Step 2: Convert to fraction form
    21,614.94/32,425.11 = 6,821.69/x
  3. Step 3: Cross multiply
    21,614.94x = 32,425.11 × 6,821.69
  4. Step 4: Simplify right side
    21,614.94x = 221,193,886.51
  5. Step 5: Solve for x
    x = 221,193,886.51/21,614.94
  6. Step 6: Final answer
    x = 10,233.38

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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.