Home / 21,789.07-32,680.50-6,996.06

Finding the Fourth Proportional to 21,789.07, 32,680.50 and 6,996.06

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Solution

The fourth proportional to 21,789.07, 32,680.50 and 6,996.06 is: 10,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789.07 : 32,680.50 = 6,996.06 : x
  2. Step 2: Convert to fraction form
    21,789.07/32,680.50 = 6,996.06/x
  3. Step 3: Cross multiply
    21,789.07x = 32,680.50 × 6,996.06
  4. Step 4: Simplify right side
    21,789.07x = 228,634,902.96
  5. Step 5: Solve for x
    x = 228,634,902.96/21,789.07
  6. Step 6: Final answer
    x = 10,493.10

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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.