Home / 12,226.42-18,339.28-3,461.31

Finding the Fourth Proportional to 12,226.42, 18,339.28 and 3,461.31

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Solution

The fourth proportional to 12,226.42, 18,339.28 and 3,461.31 is: 5,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.42 : 18,339.28 = 3,461.31 : x
  2. Step 2: Convert to fraction form
    12,226.42/18,339.28 = 3,461.31/x
  3. Step 3: Cross multiply
    12,226.42x = 18,339.28 × 3,461.31
  4. Step 4: Simplify right side
    12,226.42x = 63,477,924.60
  5. Step 5: Solve for x
    x = 63,477,924.60/12,226.42
  6. Step 6: Final answer
    x = 5,191.86

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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.