Home / 21,905.24-32,857.38-6,109.85

Finding the Fourth Proportional to 21,905.24, 32,857.38 and 6,109.85

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Solution

The fourth proportional to 21,905.24, 32,857.38 and 6,109.85 is: 9,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.24 : 32,857.38 = 6,109.85 : x
  2. Step 2: Convert to fraction form
    21,905.24/32,857.38 = 6,109.85/x
  3. Step 3: Cross multiply
    21,905.24x = 32,857.38 × 6,109.85
  4. Step 4: Simplify right side
    21,905.24x = 200,753,498.91
  5. Step 5: Solve for x
    x = 200,753,498.91/21,905.24
  6. Step 6: Final answer
    x = 9,164.64

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1.5x scale

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.