Home / 10,489.47-15,735.26-3,469.50

Finding the Fourth Proportional to 10,489.47, 15,735.26 and 3,469.50

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Solution

The fourth proportional to 10,489.47, 15,735.26 and 3,469.50 is: 5,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.47 : 15,735.26 = 3,469.50 : x
  2. Step 2: Convert to fraction form
    10,489.47/15,735.26 = 3,469.50/x
  3. Step 3: Cross multiply
    10,489.47x = 15,735.26 × 3,469.50
  4. Step 4: Simplify right side
    10,489.47x = 54,593,493.24
  5. Step 5: Solve for x
    x = 54,593,493.24/10,489.47
  6. Step 6: Final answer
    x = 5,204.60

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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.