Home / 14,183.48-19,571.50-8,214.32

Finding the Fourth Proportional to 14,183.48, 19,571.50 and 8,214.32

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Solution

The fourth proportional to 14,183.48, 19,571.50 and 8,214.32 is: 11,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.48 : 19,571.50 = 8,214.32 : x
  2. Step 2: Convert to fraction form
    14,183.48/19,571.50 = 8,214.32/x
  3. Step 3: Cross multiply
    14,183.48x = 19,571.50 × 8,214.32
  4. Step 4: Simplify right side
    14,183.48x = 160,766,445.49
  5. Step 5: Solve for x
    x = 160,766,445.49/14,183.48
  6. Step 6: Final answer
    x = 11,334.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.