Home / 13,747.70-20,607.37-5,416.45

Finding the Fourth Proportional to 13,747.70, 20,607.37 and 5,416.45

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Solution

The fourth proportional to 13,747.70, 20,607.37 and 5,416.45 is: 8,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.70 : 20,607.37 = 5,416.45 : x
  2. Step 2: Convert to fraction form
    13,747.70/20,607.37 = 5,416.45/x
  3. Step 3: Cross multiply
    13,747.70x = 20,607.37 × 5,416.45
  4. Step 4: Simplify right side
    13,747.70x = 111,618,789.24
  5. Step 5: Solve for x
    x = 111,618,789.24/13,747.70
  6. Step 6: Final answer
    x = 8,119.09

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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.