Home / 21,633.86-32,450.60-6,842.79

Finding the Fourth Proportional to 21,633.86, 32,450.60 and 6,842.79

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Solution

The fourth proportional to 21,633.86, 32,450.60 and 6,842.79 is: 10,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.86 : 32,450.60 = 6,842.79 : x
  2. Step 2: Convert to fraction form
    21,633.86/32,450.60 = 6,842.79/x
  3. Step 3: Cross multiply
    21,633.86x = 32,450.60 × 6,842.79
  4. Step 4: Simplify right side
    21,633.86x = 222,052,606.96
  5. Step 5: Solve for x
    x = 222,052,606.96/21,633.86
  6. Step 6: Final answer
    x = 10,264.12

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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.