Home / 14,183.69-21,277.85-4,320.66

Finding the Fourth Proportional to 14,183.69, 21,277.85 and 4,320.66

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Solution

The fourth proportional to 14,183.69, 21,277.85 and 4,320.66 is: 6,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.69 : 21,277.85 = 4,320.66 : x
  2. Step 2: Convert to fraction form
    14,183.69/21,277.85 = 4,320.66/x
  3. Step 3: Cross multiply
    14,183.69x = 21,277.85 × 4,320.66
  4. Step 4: Simplify right side
    14,183.69x = 91,934,333.78
  5. Step 5: Solve for x
    x = 91,934,333.78/14,183.69
  6. Step 6: Final answer
    x = 6,481.70

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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.