Home / 13,894.40-20,841.66-3,364.41

Finding the Fourth Proportional to 13,894.40, 20,841.66 and 3,364.41

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Solution

The fourth proportional to 13,894.40, 20,841.66 and 3,364.41 is: 5,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.40 : 20,841.66 = 3,364.41 : x
  2. Step 2: Convert to fraction form
    13,894.40/20,841.66 = 3,364.41/x
  3. Step 3: Cross multiply
    13,894.40x = 20,841.66 × 3,364.41
  4. Step 4: Simplify right side
    13,894.40x = 70,119,798.55
  5. Step 5: Solve for x
    x = 70,119,798.55/13,894.40
  6. Step 6: Final answer
    x = 5,046.62

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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.