Home / 12,263.85-18,398.49-4,472.64

Finding the Fourth Proportional to 12,263.85, 18,398.49 and 4,472.64

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Solution

The fourth proportional to 12,263.85, 18,398.49 and 4,472.64 is: 6,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.85 : 18,398.49 = 4,472.64 : x
  2. Step 2: Convert to fraction form
    12,263.85/18,398.49 = 4,472.64/x
  3. Step 3: Cross multiply
    12,263.85x = 18,398.49 × 4,472.64
  4. Step 4: Simplify right side
    12,263.85x = 82,289,822.31
  5. Step 5: Solve for x
    x = 82,289,822.31/12,263.85
  6. Step 6: Final answer
    x = 6,709.95

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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.