Home / 18,611.12-25,684.92-10,229.36

Finding the Fourth Proportional to 18,611.12, 25,684.92 and 10,229.36

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Solution

The fourth proportional to 18,611.12, 25,684.92 and 10,229.36 is: 14,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.12 : 25,684.92 = 10,229.36 : x
  2. Step 2: Convert to fraction form
    18,611.12/25,684.92 = 10,229.36/x
  3. Step 3: Cross multiply
    18,611.12x = 25,684.92 × 10,229.36
  4. Step 4: Simplify right side
    18,611.12x = 262,740,293.25
  5. Step 5: Solve for x
    x = 262,740,293.25/18,611.12
  6. Step 6: Final answer
    x = 14,117.38

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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.