Home / 14,220.99-21,334.62-5,455.91

Finding the Fourth Proportional to 14,220.99, 21,334.62 and 5,455.91

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Solution

The fourth proportional to 14,220.99, 21,334.62 and 5,455.91 is: 8,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.99 : 21,334.62 = 5,455.91 : x
  2. Step 2: Convert to fraction form
    14,220.99/21,334.62 = 5,455.91/x
  3. Step 3: Cross multiply
    14,220.99x = 21,334.62 × 5,455.91
  4. Step 4: Simplify right side
    14,220.99x = 116,399,659.93
  5. Step 5: Solve for x
    x = 116,399,659.93/14,220.99
  6. Step 6: Final answer
    x = 8,185.06

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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.