Home / 12,224.66-18,342.45-5,647.32

Finding the Fourth Proportional to 12,224.66, 18,342.45 and 5,647.32

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Solution

The fourth proportional to 12,224.66, 18,342.45 and 5,647.32 is: 8,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.66 : 18,342.45 = 5,647.32 : x
  2. Step 2: Convert to fraction form
    12,224.66/18,342.45 = 5,647.32/x
  3. Step 3: Cross multiply
    12,224.66x = 18,342.45 × 5,647.32
  4. Step 4: Simplify right side
    12,224.66x = 103,585,684.73
  5. Step 5: Solve for x
    x = 103,585,684.73/12,224.66
  6. Step 6: Final answer
    x = 8,473.51

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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.