Home / 11,340.93-17,008.80-4,321.74

Finding the Fourth Proportional to 11,340.93, 17,008.80 and 4,321.74

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Solution

The fourth proportional to 11,340.93, 17,008.80 and 4,321.74 is: 6,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.93 : 17,008.80 = 4,321.74 : x
  2. Step 2: Convert to fraction form
    11,340.93/17,008.80 = 4,321.74/x
  3. Step 3: Cross multiply
    11,340.93x = 17,008.80 × 4,321.74
  4. Step 4: Simplify right side
    11,340.93x = 73,507,611.31
  5. Step 5: Solve for x
    x = 73,507,611.31/11,340.93
  6. Step 6: Final answer
    x = 6,481.62

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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.