Home / 21,670.24-32,505.54-6,879.22

Finding the Fourth Proportional to 21,670.24, 32,505.54 and 6,879.22

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Solution

The fourth proportional to 21,670.24, 32,505.54 and 6,879.22 is: 10,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.24 : 32,505.54 = 6,879.22 : x
  2. Step 2: Convert to fraction form
    21,670.24/32,505.54 = 6,879.22/x
  3. Step 3: Cross multiply
    21,670.24x = 32,505.54 × 6,879.22
  4. Step 4: Simplify right side
    21,670.24x = 223,612,760.88
  5. Step 5: Solve for x
    x = 223,612,760.88/21,670.24
  6. Step 6: Final answer
    x = 10,318.89

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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.