Home / 12,165.28-18,247.92-4,369.84

Finding the Fourth Proportional to 12,165.28, 18,247.92 and 4,369.84

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Solution

The fourth proportional to 12,165.28, 18,247.92 and 4,369.84 is: 6,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.28 : 18,247.92 = 4,369.84 : x
  2. Step 2: Convert to fraction form
    12,165.28/18,247.92 = 4,369.84/x
  3. Step 3: Cross multiply
    12,165.28x = 18,247.92 × 4,369.84
  4. Step 4: Simplify right side
    12,165.28x = 79,740,490.73
  5. Step 5: Solve for x
    x = 79,740,490.73/12,165.28
  6. Step 6: Final answer
    x = 6,554.76

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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.