Home / 11,684.72-17,527.12-2,919.64

Finding the Fourth Proportional to 11,684.72, 17,527.12 and 2,919.64

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Solution

The fourth proportional to 11,684.72, 17,527.12 and 2,919.64 is: 4,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.72 : 17,527.12 = 2,919.64 : x
  2. Step 2: Convert to fraction form
    11,684.72/17,527.12 = 2,919.64/x
  3. Step 3: Cross multiply
    11,684.72x = 17,527.12 × 2,919.64
  4. Step 4: Simplify right side
    11,684.72x = 51,172,829.52
  5. Step 5: Solve for x
    x = 51,172,829.52/11,684.72
  6. Step 6: Final answer
    x = 4,379.47

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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.