Home / 21,789.72-32,685.04-6,207.35

Finding the Fourth Proportional to 21,789.72, 32,685.04 and 6,207.35

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Solution

The fourth proportional to 21,789.72, 32,685.04 and 6,207.35 is: 9,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789.72 : 32,685.04 = 6,207.35 : x
  2. Step 2: Convert to fraction form
    21,789.72/32,685.04 = 6,207.35/x
  3. Step 3: Cross multiply
    21,789.72x = 32,685.04 × 6,207.35
  4. Step 4: Simplify right side
    21,789.72x = 202,887,288.58
  5. Step 5: Solve for x
    x = 202,887,288.58/21,789.72
  6. Step 6: Final answer
    x = 9,311.15

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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.