Home / 14,356.80-21,512.46-11,077.92

Finding the Fourth Proportional to 14,356.80, 21,512.46 and 11,077.92

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Solution

The fourth proportional to 14,356.80, 21,512.46 and 11,077.92 is: 16,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.80 : 21,512.46 = 11,077.92 : x
  2. Step 2: Convert to fraction form
    14,356.80/21,512.46 = 11,077.92/x
  3. Step 3: Cross multiply
    14,356.80x = 21,512.46 × 11,077.92
  4. Step 4: Simplify right side
    14,356.80x = 238,313,310.88
  5. Step 5: Solve for x
    x = 238,313,310.88/14,356.80
  6. Step 6: Final answer
    x = 16,599.33

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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.