Home / 12,324.76-18,481.65-3,557.59

Finding the Fourth Proportional to 12,324.76, 18,481.65 and 3,557.59

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Solution

The fourth proportional to 12,324.76, 18,481.65 and 3,557.59 is: 5,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.76 : 18,481.65 = 3,557.59 : x
  2. Step 2: Convert to fraction form
    12,324.76/18,481.65 = 3,557.59/x
  3. Step 3: Cross multiply
    12,324.76x = 18,481.65 × 3,557.59
  4. Step 4: Simplify right side
    12,324.76x = 65,750,133.22
  5. Step 5: Solve for x
    x = 65,750,133.22/12,324.76
  6. Step 6: Final answer
    x = 5,334.80

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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.