Home / 13,324.24-18,394.50-8,611.21

Finding the Fourth Proportional to 13,324.24, 18,394.50 and 8,611.21

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Solution

The fourth proportional to 13,324.24, 18,394.50 and 8,611.21 is: 11,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.24 : 18,394.50 = 8,611.21 : x
  2. Step 2: Convert to fraction form
    13,324.24/18,394.50 = 8,611.21/x
  3. Step 3: Cross multiply
    13,324.24x = 18,394.50 × 8,611.21
  4. Step 4: Simplify right side
    13,324.24x = 158,398,902.35
  5. Step 5: Solve for x
    x = 158,398,902.35/13,324.24
  6. Step 6: Final answer
    x = 11,888.03

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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.