Home / 11,919.66-17,885.25-4,904.85

Finding the Fourth Proportional to 11,919.66, 17,885.25 and 4,904.85

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Solution

The fourth proportional to 11,919.66, 17,885.25 and 4,904.85 is: 7,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.66 : 17,885.25 = 4,904.85 : x
  2. Step 2: Convert to fraction form
    11,919.66/17,885.25 = 4,904.85/x
  3. Step 3: Cross multiply
    11,919.66x = 17,885.25 × 4,904.85
  4. Step 4: Simplify right side
    11,919.66x = 87,724,468.46
  5. Step 5: Solve for x
    x = 87,724,468.46/11,919.66
  6. Step 6: Final answer
    x = 7,359.65

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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.