Home / 10,704.96-14,778.36-8,309.52

Finding the Fourth Proportional to 10,704.96, 14,778.36 and 8,309.52

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Solution

The fourth proportional to 10,704.96, 14,778.36 and 8,309.52 is: 11,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.96 : 14,778.36 = 8,309.52 : x
  2. Step 2: Convert to fraction form
    10,704.96/14,778.36 = 8,309.52/x
  3. Step 3: Cross multiply
    10,704.96x = 14,778.36 × 8,309.52
  4. Step 4: Simplify right side
    10,704.96x = 122,801,077.99
  5. Step 5: Solve for x
    x = 122,801,077.99/10,704.96
  6. Step 6: Final answer
    x = 11,471.42

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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.