Home / 9,324.86-13,987.89-3,778.11

Finding the Fourth Proportional to 9,324.86, 13,987.89 and 3,778.11

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Solution

The fourth proportional to 9,324.86, 13,987.89 and 3,778.11 is: 5,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.86 : 13,987.89 = 3,778.11 : x
  2. Step 2: Convert to fraction form
    9,324.86/13,987.89 = 3,778.11/x
  3. Step 3: Cross multiply
    9,324.86x = 13,987.89 × 3,778.11
  4. Step 4: Simplify right side
    9,324.86x = 52,847,787.09
  5. Step 5: Solve for x
    x = 52,847,787.09/9,324.86
  6. Step 6: Final answer
    x = 5,667.41

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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.