Home / 10,611.24-15,920.04-4,282.86

Finding the Fourth Proportional to 10,611.24, 15,920.04 and 4,282.86

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Solution

The fourth proportional to 10,611.24, 15,920.04 and 4,282.86 is: 6,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.24 : 15,920.04 = 4,282.86 : x
  2. Step 2: Convert to fraction form
    10,611.24/15,920.04 = 4,282.86/x
  3. Step 3: Cross multiply
    10,611.24x = 15,920.04 × 4,282.86
  4. Step 4: Simplify right side
    10,611.24x = 68,183,317.15
  5. Step 5: Solve for x
    x = 68,183,317.15/10,611.24
  6. Step 6: Final answer
    x = 6,425.58

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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.