Home / 11,919.12-17,752.78-11,294.62

Finding the Fourth Proportional to 11,919.12, 17,752.78 and 11,294.62

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Solution

The fourth proportional to 11,919.12, 17,752.78 and 11,294.62 is: 16,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.12 : 17,752.78 = 11,294.62 : x
  2. Step 2: Convert to fraction form
    11,919.12/17,752.78 = 11,294.62/x
  3. Step 3: Cross multiply
    11,919.12x = 17,752.78 × 11,294.62
  4. Step 4: Simplify right side
    11,919.12x = 200,510,904.04
  5. Step 5: Solve for x
    x = 200,510,904.04/11,919.12
  6. Step 6: Final answer
    x = 16,822.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.