Home / 10,183.20-14,064.48-8,112.84

Finding the Fourth Proportional to 10,183.20, 14,064.48 and 8,112.84

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Solution

The fourth proportional to 10,183.20, 14,064.48 and 8,112.84 is: 11,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.20 : 14,064.48 = 8,112.84 : x
  2. Step 2: Convert to fraction form
    10,183.20/14,064.48 = 8,112.84/x
  3. Step 3: Cross multiply
    10,183.20x = 14,064.48 × 8,112.84
  4. Step 4: Simplify right side
    10,183.20x = 114,102,875.92
  5. Step 5: Solve for x
    x = 114,102,875.92/10,183.20
  6. Step 6: Final answer
    x = 11,205.01

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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.