Home / 11,142.29-16,720.94-4,568.29

Finding the Fourth Proportional to 11,142.29, 16,720.94 and 4,568.29

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Solution

The fourth proportional to 11,142.29, 16,720.94 and 4,568.29 is: 6,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.29 : 16,720.94 = 4,568.29 : x
  2. Step 2: Convert to fraction form
    11,142.29/16,720.94 = 4,568.29/x
  3. Step 3: Cross multiply
    11,142.29x = 16,720.94 × 4,568.29
  4. Step 4: Simplify right side
    11,142.29x = 76,386,072.61
  5. Step 5: Solve for x
    x = 76,386,072.61/11,142.29
  6. Step 6: Final answer
    x = 6,855.51

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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.