Home / 21,449.82-32,179.04-7,410.36

Finding the Fourth Proportional to 21,449.82, 32,179.04 and 7,410.36

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Solution

The fourth proportional to 21,449.82, 32,179.04 and 7,410.36 is: 11,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.82 : 32,179.04 = 7,410.36 : x
  2. Step 2: Convert to fraction form
    21,449.82/32,179.04 = 7,410.36/x
  3. Step 3: Cross multiply
    21,449.82x = 32,179.04 × 7,410.36
  4. Step 4: Simplify right side
    21,449.82x = 238,458,270.85
  5. Step 5: Solve for x
    x = 238,458,270.85/21,449.82
  6. Step 6: Final answer
    x = 11,117.03

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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.