Home / 12,449.52-17,180.32-6,860.48

Finding the Fourth Proportional to 12,449.52, 17,180.32 and 6,860.48

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Solution

The fourth proportional to 12,449.52, 17,180.32 and 6,860.48 is: 9,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.52 : 17,180.32 = 6,860.48 : x
  2. Step 2: Convert to fraction form
    12,449.52/17,180.32 = 6,860.48/x
  3. Step 3: Cross multiply
    12,449.52x = 17,180.32 × 6,860.48
  4. Step 4: Simplify right side
    12,449.52x = 117,865,241.75
  5. Step 5: Solve for x
    x = 117,865,241.75/12,449.52
  6. Step 6: Final answer
    x = 9,467.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.