Home / 11,639.18-17,452.39-4,612.08

Finding the Fourth Proportional to 11,639.18, 17,452.39 and 4,612.08

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Solution

The fourth proportional to 11,639.18, 17,452.39 and 4,612.08 is: 6,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.18 : 17,452.39 = 4,612.08 : x
  2. Step 2: Convert to fraction form
    11,639.18/17,452.39 = 4,612.08/x
  3. Step 3: Cross multiply
    11,639.18x = 17,452.39 × 4,612.08
  4. Step 4: Simplify right side
    11,639.18x = 80,491,818.87
  5. Step 5: Solve for x
    x = 80,491,818.87/11,639.18
  6. Step 6: Final answer
    x = 6,915.59

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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.