Home / 15,449.18-23,204.80-9,221.36

Finding the Fourth Proportional to 15,449.18, 23,204.80 and 9,221.36

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Solution

The fourth proportional to 15,449.18, 23,204.80 and 9,221.36 is: 13,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.18 : 23,204.80 = 9,221.36 : x
  2. Step 2: Convert to fraction form
    15,449.18/23,204.80 = 9,221.36/x
  3. Step 3: Cross multiply
    15,449.18x = 23,204.80 × 9,221.36
  4. Step 4: Simplify right side
    15,449.18x = 213,979,814.53
  5. Step 5: Solve for x
    x = 213,979,814.53/15,449.18
  6. Step 6: Final answer
    x = 13,850.56

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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.