Home / 21,400.73-32,100.85-6,607.97

Finding the Fourth Proportional to 21,400.73, 32,100.85 and 6,607.97

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Solution

The fourth proportional to 21,400.73, 32,100.85 and 6,607.97 is: 9,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.73 : 32,100.85 = 6,607.97 : x
  2. Step 2: Convert to fraction form
    21,400.73/32,100.85 = 6,607.97/x
  3. Step 3: Cross multiply
    21,400.73x = 32,100.85 × 6,607.97
  4. Step 4: Simplify right side
    21,400.73x = 212,121,453.77
  5. Step 5: Solve for x
    x = 212,121,453.77/21,400.73
  6. Step 6: Final answer
    x = 9,911.88

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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.