Home / 10,313.28-15,469.90-3,739.44

Finding the Fourth Proportional to 10,313.28, 15,469.90 and 3,739.44

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Solution

The fourth proportional to 10,313.28, 15,469.90 and 3,739.44 is: 5,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.28 : 15,469.90 = 3,739.44 : x
  2. Step 2: Convert to fraction form
    10,313.28/15,469.90 = 3,739.44/x
  3. Step 3: Cross multiply
    10,313.28x = 15,469.90 × 3,739.44
  4. Step 4: Simplify right side
    10,313.28x = 57,848,762.86
  5. Step 5: Solve for x
    x = 57,848,762.86/10,313.28
  6. Step 6: Final answer
    x = 5,609.15

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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.