Home / 14,224.80-21,337.20-11,255.20

Finding the Fourth Proportional to 14,224.80, 21,337.20 and 11,255.20

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Solution

The fourth proportional to 14,224.80, 21,337.20 and 11,255.20 is: 16,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.80 : 21,337.20 = 11,255.20 : x
  2. Step 2: Convert to fraction form
    14,224.80/21,337.20 = 11,255.20/x
  3. Step 3: Cross multiply
    14,224.80x = 21,337.20 × 11,255.20
  4. Step 4: Simplify right side
    14,224.80x = 240,154,453.44
  5. Step 5: Solve for x
    x = 240,154,453.44/14,224.80
  6. Step 6: Final answer
    x = 16,882.80

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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.