Home / 12,226.87-18,343.64-5,207.23

Finding the Fourth Proportional to 12,226.87, 18,343.64 and 5,207.23

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Solution

The fourth proportional to 12,226.87, 18,343.64 and 5,207.23 is: 7,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.87 : 18,343.64 = 5,207.23 : x
  2. Step 2: Convert to fraction form
    12,226.87/18,343.64 = 5,207.23/x
  3. Step 3: Cross multiply
    12,226.87x = 18,343.64 × 5,207.23
  4. Step 4: Simplify right side
    12,226.87x = 95,519,552.52
  5. Step 5: Solve for x
    x = 95,519,552.52/12,226.87
  6. Step 6: Final answer
    x = 7,812.27

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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.