Home / 21,454.56-32,179.68-6,663.96

Finding the Fourth Proportional to 21,454.56, 32,179.68 and 6,663.96

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Solution

The fourth proportional to 21,454.56, 32,179.68 and 6,663.96 is: 9,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.56 : 32,179.68 = 6,663.96 : x
  2. Step 2: Convert to fraction form
    21,454.56/32,179.68 = 6,663.96/x
  3. Step 3: Cross multiply
    21,454.56x = 32,179.68 × 6,663.96
  4. Step 4: Simplify right side
    21,454.56x = 214,444,100.33
  5. Step 5: Solve for x
    x = 214,444,100.33/21,454.56
  6. Step 6: Final answer
    x = 9,995.27

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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.