Home / 21,646.38-32,472.30-6,849.96

Finding the Fourth Proportional to 21,646.38, 32,472.30 and 6,849.96

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Solution

The fourth proportional to 21,646.38, 32,472.30 and 6,849.96 is: 10,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.38 : 32,472.30 = 6,849.96 : x
  2. Step 2: Convert to fraction form
    21,646.38/32,472.30 = 6,849.96/x
  3. Step 3: Cross multiply
    21,646.38x = 32,472.30 × 6,849.96
  4. Step 4: Simplify right side
    21,646.38x = 222,433,956.11
  5. Step 5: Solve for x
    x = 222,433,956.11/21,646.38
  6. Step 6: Final answer
    x = 10,275.80

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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.