Home / 12,853.59-19,282.32-3,968.19

Finding the Fourth Proportional to 12,853.59, 19,282.32 and 3,968.19

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Solution

The fourth proportional to 12,853.59, 19,282.32 and 3,968.19 is: 5,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.59 : 19,282.32 = 3,968.19 : x
  2. Step 2: Convert to fraction form
    12,853.59/19,282.32 = 3,968.19/x
  3. Step 3: Cross multiply
    12,853.59x = 19,282.32 × 3,968.19
  4. Step 4: Simplify right side
    12,853.59x = 76,515,909.40
  5. Step 5: Solve for x
    x = 76,515,909.40/12,853.59
  6. Step 6: Final answer
    x = 5,952.88

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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.