Home / 21,194.60-31,772.45-7,333.88

Finding the Fourth Proportional to 21,194.60, 31,772.45 and 7,333.88

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Solution

The fourth proportional to 21,194.60, 31,772.45 and 7,333.88 is: 10,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.60 : 31,772.45 = 7,333.88 : x
  2. Step 2: Convert to fraction form
    21,194.60/31,772.45 = 7,333.88/x
  3. Step 3: Cross multiply
    21,194.60x = 31,772.45 × 7,333.88
  4. Step 4: Simplify right side
    21,194.60x = 233,015,195.08
  5. Step 5: Solve for x
    x = 233,015,195.08/21,194.60
  6. Step 6: Final answer
    x = 10,994.09

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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.