Home / 21,260.88-31,894.56-9,577.44

Finding the Fourth Proportional to 21,260.88, 31,894.56 and 9,577.44

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Solution

The fourth proportional to 21,260.88, 31,894.56 and 9,577.44 is: 14,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.88 : 31,894.56 = 9,577.44 : x
  2. Step 2: Convert to fraction form
    21,260.88/31,894.56 = 9,577.44/x
  3. Step 3: Cross multiply
    21,260.88x = 31,894.56 × 9,577.44
  4. Step 4: Simplify right side
    21,260.88x = 305,468,234.73
  5. Step 5: Solve for x
    x = 305,468,234.73/21,260.88
  6. Step 6: Final answer
    x = 14,367.62

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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.