Home / 12,344.36-18,518.30-4,552.61

Finding the Fourth Proportional to 12,344.36, 18,518.30 and 4,552.61

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Solution

The fourth proportional to 12,344.36, 18,518.30 and 4,552.61 is: 6,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.36 : 18,518.30 = 4,552.61 : x
  2. Step 2: Convert to fraction form
    12,344.36/18,518.30 = 4,552.61/x
  3. Step 3: Cross multiply
    12,344.36x = 18,518.30 × 4,552.61
  4. Step 4: Simplify right side
    12,344.36x = 84,306,575.00
  5. Step 5: Solve for x
    x = 84,306,575.00/12,344.36
  6. Step 6: Final answer
    x = 6,829.56

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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.