Home / 13,225.88-19,838.98-3,365.17

Finding the Fourth Proportional to 13,225.88, 19,838.98 and 3,365.17

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Solution

The fourth proportional to 13,225.88, 19,838.98 and 3,365.17 is: 5,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.88 : 19,838.98 = 3,365.17 : x
  2. Step 2: Convert to fraction form
    13,225.88/19,838.98 = 3,365.17/x
  3. Step 3: Cross multiply
    13,225.88x = 19,838.98 × 3,365.17
  4. Step 4: Simplify right side
    13,225.88x = 66,761,531.80
  5. Step 5: Solve for x
    x = 66,761,531.80/13,225.88
  6. Step 6: Final answer
    x = 5,047.79

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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.