Home / 12,223.64-18,337.94-3,903.42

Finding the Fourth Proportional to 12,223.64, 18,337.94 and 3,903.42

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Solution

The fourth proportional to 12,223.64, 18,337.94 and 3,903.42 is: 5,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.64 : 18,337.94 = 3,903.42 : x
  2. Step 2: Convert to fraction form
    12,223.64/18,337.94 = 3,903.42/x
  3. Step 3: Cross multiply
    12,223.64x = 18,337.94 × 3,903.42
  4. Step 4: Simplify right side
    12,223.64x = 71,580,662.24
  5. Step 5: Solve for x
    x = 71,580,662.24/12,223.64
  6. Step 6: Final answer
    x = 5,855.92

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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.