Home / 13,891.04-20,832.86-3,895.24

Finding the Fourth Proportional to 13,891.04, 20,832.86 and 3,895.24

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Solution

The fourth proportional to 13,891.04, 20,832.86 and 3,895.24 is: 5,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.04 : 20,832.86 = 3,895.24 : x
  2. Step 2: Convert to fraction form
    13,891.04/20,832.86 = 3,895.24/x
  3. Step 3: Cross multiply
    13,891.04x = 20,832.86 × 3,895.24
  4. Step 4: Simplify right side
    13,891.04x = 81,148,947.24
  5. Step 5: Solve for x
    x = 81,148,947.24/13,891.04
  6. Step 6: Final answer
    x = 5,841.82

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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.