Home / 13,891.63-20,839.61-4,529.47

Finding the Fourth Proportional to 13,891.63, 20,839.61 and 4,529.47

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Solution

The fourth proportional to 13,891.63, 20,839.61 and 4,529.47 is: 6,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.63 : 20,839.61 = 4,529.47 : x
  2. Step 2: Convert to fraction form
    13,891.63/20,839.61 = 4,529.47/x
  3. Step 3: Cross multiply
    13,891.63x = 20,839.61 × 4,529.47
  4. Step 4: Simplify right side
    13,891.63x = 94,392,388.31
  5. Step 5: Solve for x
    x = 94,392,388.31/13,891.63
  6. Step 6: Final answer
    x = 6,794.91

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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.