Home / 11,813.42-17,714.56-4,311.78

Finding the Fourth Proportional to 11,813.42, 17,714.56 and 4,311.78

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Solution

The fourth proportional to 11,813.42, 17,714.56 and 4,311.78 is: 6,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.42 : 17,714.56 = 4,311.78 : x
  2. Step 2: Convert to fraction form
    11,813.42/17,714.56 = 4,311.78/x
  3. Step 3: Cross multiply
    11,813.42x = 17,714.56 × 4,311.78
  4. Step 4: Simplify right side
    11,813.42x = 76,381,252.41
  5. Step 5: Solve for x
    x = 76,381,252.41/11,813.42
  6. Step 6: Final answer
    x = 6,465.63

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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.