Home / 21,961.07-32,946.20-7,170.83

Finding the Fourth Proportional to 21,961.07, 32,946.20 and 7,170.83

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Solution

The fourth proportional to 21,961.07, 32,946.20 and 7,170.83 is: 10,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.07 : 32,946.20 = 7,170.83 : x
  2. Step 2: Convert to fraction form
    21,961.07/32,946.20 = 7,170.83/x
  3. Step 3: Cross multiply
    21,961.07x = 32,946.20 × 7,170.83
  4. Step 4: Simplify right side
    21,961.07x = 236,251,599.35
  5. Step 5: Solve for x
    x = 236,251,599.35/21,961.07
  6. Step 6: Final answer
    x = 10,757.75

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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.