Home / 21,400.11-32,084.10-6,600.33

Finding the Fourth Proportional to 21,400.11, 32,084.10 and 6,600.33

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Solution

The fourth proportional to 21,400.11, 32,084.10 and 6,600.33 is: 9,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.11 : 32,084.10 = 6,600.33 : x
  2. Step 2: Convert to fraction form
    21,400.11/32,084.10 = 6,600.33/x
  3. Step 3: Cross multiply
    21,400.11x = 32,084.10 × 6,600.33
  4. Step 4: Simplify right side
    21,400.11x = 211,765,647.75
  5. Step 5: Solve for x
    x = 211,765,647.75/21,400.11
  6. Step 6: Final answer
    x = 9,895.54

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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.