Home / 10,519.75-14,516.94-5,739.79

Finding the Fourth Proportional to 10,519.75, 14,516.94 and 5,739.79

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Solution

The fourth proportional to 10,519.75, 14,516.94 and 5,739.79 is: 7,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.75 : 14,516.94 = 5,739.79 : x
  2. Step 2: Convert to fraction form
    10,519.75/14,516.94 = 5,739.79/x
  3. Step 3: Cross multiply
    10,519.75x = 14,516.94 × 5,739.79
  4. Step 4: Simplify right side
    10,519.75x = 83,324,150.75
  5. Step 5: Solve for x
    x = 83,324,150.75/10,519.75
  6. Step 6: Final answer
    x = 7,920.74

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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.