Home / 10,611.18-15,917.58-3,216.24

Finding the Fourth Proportional to 10,611.18, 15,917.58 and 3,216.24

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Solution

The fourth proportional to 10,611.18, 15,917.58 and 3,216.24 is: 4,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.18 : 15,917.58 = 3,216.24 : x
  2. Step 2: Convert to fraction form
    10,611.18/15,917.58 = 3,216.24/x
  3. Step 3: Cross multiply
    10,611.18x = 15,917.58 × 3,216.24
  4. Step 4: Simplify right side
    10,611.18x = 51,194,757.50
  5. Step 5: Solve for x
    x = 51,194,757.50/10,611.18
  6. Step 6: Final answer
    x = 4,824.61

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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.