Home / 11,374.20-17,061.30-7,664.40

Finding the Fourth Proportional to 11,374.20, 17,061.30 and 7,664.40

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Solution

The fourth proportional to 11,374.20, 17,061.30 and 7,664.40 is: 11,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.20 : 17,061.30 = 7,664.40 : x
  2. Step 2: Convert to fraction form
    11,374.20/17,061.30 = 7,664.40/x
  3. Step 3: Cross multiply
    11,374.20x = 17,061.30 × 7,664.40
  4. Step 4: Simplify right side
    11,374.20x = 130,764,627.72
  5. Step 5: Solve for x
    x = 130,764,627.72/11,374.20
  6. Step 6: Final answer
    x = 11,496.60

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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.