Home / 21,296.17-31,944.26-9,612.73

Finding the Fourth Proportional to 21,296.17, 31,944.26 and 9,612.73

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Solution

The fourth proportional to 21,296.17, 31,944.26 and 9,612.73 is: 14,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.17 : 31,944.26 = 9,612.73 : x
  2. Step 2: Convert to fraction form
    21,296.17/31,944.26 = 9,612.73/x
  3. Step 3: Cross multiply
    21,296.17x = 31,944.26 × 9,612.73
  4. Step 4: Simplify right side
    21,296.17x = 307,071,546.43
  5. Step 5: Solve for x
    x = 307,071,546.43/21,296.17
  6. Step 6: Final answer
    x = 14,419.10

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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.