Home / 11,156-16,724.46-4,578.08

Finding the Fourth Proportional to 11,156, 16,724.46 and 4,578.08

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Solution

The fourth proportional to 11,156, 16,724.46 and 4,578.08 is: 6,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156 : 16,724.46 = 4,578.08 : x
  2. Step 2: Convert to fraction form
    11,156/16,724.46 = 4,578.08/x
  3. Step 3: Cross multiply
    11,156x = 16,724.46 × 4,578.08
  4. Step 4: Simplify right side
    11,156x = 76,565,915.84
  5. Step 5: Solve for x
    x = 76,565,915.84/11,156
  6. Step 6: Final answer
    x = 6,863.21

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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.