Home / 14,099.82-21,149.77-5,670.21

Finding the Fourth Proportional to 14,099.82, 21,149.77 and 5,670.21

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Solution

The fourth proportional to 14,099.82, 21,149.77 and 5,670.21 is: 8,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.82 : 21,149.77 = 5,670.21 : x
  2. Step 2: Convert to fraction form
    14,099.82/21,149.77 = 5,670.21/x
  3. Step 3: Cross multiply
    14,099.82x = 21,149.77 × 5,670.21
  4. Step 4: Simplify right side
    14,099.82x = 119,923,623.18
  5. Step 5: Solve for x
    x = 119,923,623.18/14,099.82
  6. Step 6: Final answer
    x = 8,505.33

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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.