Home / 12,226.50-18,339.78-4,435.32

Finding the Fourth Proportional to 12,226.50, 18,339.78 and 4,435.32

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Solution

The fourth proportional to 12,226.50, 18,339.78 and 4,435.32 is: 6,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.50 : 18,339.78 = 4,435.32 : x
  2. Step 2: Convert to fraction form
    12,226.50/18,339.78 = 4,435.32/x
  3. Step 3: Cross multiply
    12,226.50x = 18,339.78 × 4,435.32
  4. Step 4: Simplify right side
    12,226.50x = 81,342,793.03
  5. Step 5: Solve for x
    x = 81,342,793.03/12,226.50
  6. Step 6: Final answer
    x = 6,652.99

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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.