Home / 13,252.12-19,880.86-3,892.42

Finding the Fourth Proportional to 13,252.12, 19,880.86 and 3,892.42

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Solution

The fourth proportional to 13,252.12, 19,880.86 and 3,892.42 is: 5,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.12 : 19,880.86 = 3,892.42 : x
  2. Step 2: Convert to fraction form
    13,252.12/19,880.86 = 3,892.42/x
  3. Step 3: Cross multiply
    13,252.12x = 19,880.86 × 3,892.42
  4. Step 4: Simplify right side
    13,252.12x = 77,384,657.08
  5. Step 5: Solve for x
    x = 77,384,657.08/13,252.12
  6. Step 6: Final answer
    x = 5,839.42

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1.5x scale

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.