Home / 12,226.08-18,337-5,651.72

Finding the Fourth Proportional to 12,226.08, 18,337 and 5,651.72

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Solution

The fourth proportional to 12,226.08, 18,337 and 5,651.72 is: 8,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.08 : 18,337 = 5,651.72 : x
  2. Step 2: Convert to fraction form
    12,226.08/18,337 = 5,651.72/x
  3. Step 3: Cross multiply
    12,226.08x = 18,337 × 5,651.72
  4. Step 4: Simplify right side
    12,226.08x = 103,635,589.64
  5. Step 5: Solve for x
    x = 103,635,589.64/12,226.08
  6. Step 6: Final answer
    x = 8,476.60

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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.