Home / 12,954.06-19,432.91-6,380.30

Finding the Fourth Proportional to 12,954.06, 19,432.91 and 6,380.30

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Solution

The fourth proportional to 12,954.06, 19,432.91 and 6,380.30 is: 9,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.06 : 19,432.91 = 6,380.30 : x
  2. Step 2: Convert to fraction form
    12,954.06/19,432.91 = 6,380.30/x
  3. Step 3: Cross multiply
    12,954.06x = 19,432.91 × 6,380.30
  4. Step 4: Simplify right side
    12,954.06x = 123,987,860.21
  5. Step 5: Solve for x
    x = 123,987,860.21/12,954.06
  6. Step 6: Final answer
    x = 9,571.35

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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.