Home / 11,284.29-16,922.16-8,154.84

Finding the Fourth Proportional to 11,284.29, 16,922.16 and 8,154.84

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Solution

The fourth proportional to 11,284.29, 16,922.16 and 8,154.84 is: 12,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.29 : 16,922.16 = 8,154.84 : x
  2. Step 2: Convert to fraction form
    11,284.29/16,922.16 = 8,154.84/x
  3. Step 3: Cross multiply
    11,284.29x = 16,922.16 × 8,154.84
  4. Step 4: Simplify right side
    11,284.29x = 137,997,507.25
  5. Step 5: Solve for x
    x = 137,997,507.25/11,284.29
  6. Step 6: Final answer
    x = 12,229.17

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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.