Home / 11,350.85-17,020.87-3,954.40

Finding the Fourth Proportional to 11,350.85, 17,020.87 and 3,954.40

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Solution

The fourth proportional to 11,350.85, 17,020.87 and 3,954.40 is: 5,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.85 : 17,020.87 = 3,954.40 : x
  2. Step 2: Convert to fraction form
    11,350.85/17,020.87 = 3,954.40/x
  3. Step 3: Cross multiply
    11,350.85x = 17,020.87 × 3,954.40
  4. Step 4: Simplify right side
    11,350.85x = 67,307,308.56
  5. Step 5: Solve for x
    x = 67,307,308.56/11,350.85
  6. Step 6: Final answer
    x = 5,929.72

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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.