Home / 10,923.96-16,389.78-5,383.80

Finding the Fourth Proportional to 10,923.96, 16,389.78 and 5,383.80

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Solution

The fourth proportional to 10,923.96, 16,389.78 and 5,383.80 is: 8,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.96 : 16,389.78 = 5,383.80 : x
  2. Step 2: Convert to fraction form
    10,923.96/16,389.78 = 5,383.80/x
  3. Step 3: Cross multiply
    10,923.96x = 16,389.78 × 5,383.80
  4. Step 4: Simplify right side
    10,923.96x = 88,239,297.56
  5. Step 5: Solve for x
    x = 88,239,297.56/10,923.96
  6. Step 6: Final answer
    x = 8,077.59

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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.