Home / 21,335.30-31,997.43-6,338.96

Finding the Fourth Proportional to 21,335.30, 31,997.43 and 6,338.96

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Solution

The fourth proportional to 21,335.30, 31,997.43 and 6,338.96 is: 9,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.30 : 31,997.43 = 6,338.96 : x
  2. Step 2: Convert to fraction form
    21,335.30/31,997.43 = 6,338.96/x
  3. Step 3: Cross multiply
    21,335.30x = 31,997.43 × 6,338.96
  4. Step 4: Simplify right side
    21,335.30x = 202,830,388.88
  5. Step 5: Solve for x
    x = 202,830,388.88/21,335.30
  6. Step 6: Final answer
    x = 9,506.80

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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.