Home / 12,418.50-18,627.80-11,795.61

Finding the Fourth Proportional to 12,418.50, 18,627.80 and 11,795.61

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Solution

The fourth proportional to 12,418.50, 18,627.80 and 11,795.61 is: 17,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.50 : 18,627.80 = 11,795.61 : x
  2. Step 2: Convert to fraction form
    12,418.50/18,627.80 = 11,795.61/x
  3. Step 3: Cross multiply
    12,418.50x = 18,627.80 × 11,795.61
  4. Step 4: Simplify right side
    12,418.50x = 219,726,204.98
  5. Step 5: Solve for x
    x = 219,726,204.98/12,418.50
  6. Step 6: Final answer
    x = 17,693.46

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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.