Home / 12,416.05-18,624.41-3,651.24

Finding the Fourth Proportional to 12,416.05, 18,624.41 and 3,651.24

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Solution

The fourth proportional to 12,416.05, 18,624.41 and 3,651.24 is: 5,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.05 : 18,624.41 = 3,651.24 : x
  2. Step 2: Convert to fraction form
    12,416.05/18,624.41 = 3,651.24/x
  3. Step 3: Cross multiply
    12,416.05x = 18,624.41 × 3,651.24
  4. Step 4: Simplify right side
    12,416.05x = 68,002,172.51
  5. Step 5: Solve for x
    x = 68,002,172.51/12,416.05
  6. Step 6: Final answer
    x = 5,476.96

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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.