Home / 13,571.08-20,264.20-11,976.52

Finding the Fourth Proportional to 13,571.08, 20,264.20 and 11,976.52

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Solution

The fourth proportional to 13,571.08, 20,264.20 and 11,976.52 is: 17,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.08 : 20,264.20 = 11,976.52 : x
  2. Step 2: Convert to fraction form
    13,571.08/20,264.20 = 11,976.52/x
  3. Step 3: Cross multiply
    13,571.08x = 20,264.20 × 11,976.52
  4. Step 4: Simplify right side
    13,571.08x = 242,694,596.58
  5. Step 5: Solve for x
    x = 242,694,596.58/13,571.08
  6. Step 6: Final answer
    x = 17,883.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.