Home / 12,416.30-18,614.42-4,091.12

Finding the Fourth Proportional to 12,416.30, 18,614.42 and 4,091.12

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Solution

The fourth proportional to 12,416.30, 18,614.42 and 4,091.12 is: 6,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.30 : 18,614.42 = 4,091.12 : x
  2. Step 2: Convert to fraction form
    12,416.30/18,614.42 = 4,091.12/x
  3. Step 3: Cross multiply
    12,416.30x = 18,614.42 × 4,091.12
  4. Step 4: Simplify right side
    12,416.30x = 76,153,797.57
  5. Step 5: Solve for x
    x = 76,153,797.57/12,416.30
  6. Step 6: Final answer
    x = 6,133.37

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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.