Home / 13,324.69-19,994.33-7,481.76

Finding the Fourth Proportional to 13,324.69, 19,994.33 and 7,481.76

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Solution

The fourth proportional to 13,324.69, 19,994.33 and 7,481.76 is: 11,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.69 : 19,994.33 = 7,481.76 : x
  2. Step 2: Convert to fraction form
    13,324.69/19,994.33 = 7,481.76/x
  3. Step 3: Cross multiply
    13,324.69x = 19,994.33 × 7,481.76
  4. Step 4: Simplify right side
    13,324.69x = 149,592,778.42
  5. Step 5: Solve for x
    x = 149,592,778.42/13,324.69
  6. Step 6: Final answer
    x = 11,226.74

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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.