Home / 12,606.24-18,909.36-3,372

Finding the Fourth Proportional to 12,606.24, 18,909.36 and 3,372

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Solution

The fourth proportional to 12,606.24, 18,909.36 and 3,372 is: 5,058

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.24 : 18,909.36 = 3,372 : x
  2. Step 2: Convert to fraction form
    12,606.24/18,909.36 = 3,372/x
  3. Step 3: Cross multiply
    12,606.24x = 18,909.36 × 3,372
  4. Step 4: Simplify right side
    12,606.24x = 63,762,361.92
  5. Step 5: Solve for x
    x = 63,762,361.92/12,606.24
  6. Step 6: Final answer
    x = 5,058

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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.