Home / 21,046.10-31,575.08-6,255.30

Finding the Fourth Proportional to 21,046.10, 31,575.08 and 6,255.30

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Solution

The fourth proportional to 21,046.10, 31,575.08 and 6,255.30 is: 9,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.10 : 31,575.08 = 6,255.30 : x
  2. Step 2: Convert to fraction form
    21,046.10/31,575.08 = 6,255.30/x
  3. Step 3: Cross multiply
    21,046.10x = 31,575.08 × 6,255.30
  4. Step 4: Simplify right side
    21,046.10x = 197,511,597.92
  5. Step 5: Solve for x
    x = 197,511,597.92/21,046.10
  6. Step 6: Final answer
    x = 9,384.71

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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.