Home / 21,450.15-32,176.44-6,661.17

Finding the Fourth Proportional to 21,450.15, 32,176.44 and 6,661.17

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Solution

The fourth proportional to 21,450.15, 32,176.44 and 6,661.17 is: 9,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.15 : 32,176.44 = 6,661.17 : x
  2. Step 2: Convert to fraction form
    21,450.15/32,176.44 = 6,661.17/x
  3. Step 3: Cross multiply
    21,450.15x = 32,176.44 × 6,661.17
  4. Step 4: Simplify right side
    21,450.15x = 214,332,736.83
  5. Step 5: Solve for x
    x = 214,332,736.83/21,450.15
  6. Step 6: Final answer
    x = 9,992.13

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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.