Home / 13,327.90-18,382.62-11,817.26

Finding the Fourth Proportional to 13,327.90, 18,382.62 and 11,817.26

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Solution

The fourth proportional to 13,327.90, 18,382.62 and 11,817.26 is: 16,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.90 : 18,382.62 = 11,817.26 : x
  2. Step 2: Convert to fraction form
    13,327.90/18,382.62 = 11,817.26/x
  3. Step 3: Cross multiply
    13,327.90x = 18,382.62 × 11,817.26
  4. Step 4: Simplify right side
    13,327.90x = 217,232,200.02
  5. Step 5: Solve for x
    x = 217,232,200.02/13,327.90
  6. Step 6: Final answer
    x = 16,299.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.