Home / 9,314.36-13,980.31-3,396.96

Finding the Fourth Proportional to 9,314.36, 13,980.31 and 3,396.96

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Solution

The fourth proportional to 9,314.36, 13,980.31 and 3,396.96 is: 5,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.36 : 13,980.31 = 3,396.96 : x
  2. Step 2: Convert to fraction form
    9,314.36/13,980.31 = 3,396.96/x
  3. Step 3: Cross multiply
    9,314.36x = 13,980.31 × 3,396.96
  4. Step 4: Simplify right side
    9,314.36x = 47,490,553.86
  5. Step 5: Solve for x
    x = 47,490,553.86/9,314.36
  6. Step 6: Final answer
    x = 5,098.64

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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.