Home / 13,272.37-19,909.98-3,912.46

Finding the Fourth Proportional to 13,272.37, 19,909.98 and 3,912.46

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Solution

The fourth proportional to 13,272.37, 19,909.98 and 3,912.46 is: 5,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.37 : 19,909.98 = 3,912.46 : x
  2. Step 2: Convert to fraction form
    13,272.37/19,909.98 = 3,912.46/x
  3. Step 3: Cross multiply
    13,272.37x = 19,909.98 × 3,912.46
  4. Step 4: Simplify right side
    13,272.37x = 77,896,950.58
  5. Step 5: Solve for x
    x = 77,896,950.58/13,272.37
  6. Step 6: Final answer
    x = 5,869.11

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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.