Home / 13,964.45-20,944.65-4,102.70

Finding the Fourth Proportional to 13,964.45, 20,944.65 and 4,102.70

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Solution

The fourth proportional to 13,964.45, 20,944.65 and 4,102.70 is: 6,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.45 : 20,944.65 = 4,102.70 : x
  2. Step 2: Convert to fraction form
    13,964.45/20,944.65 = 4,102.70/x
  3. Step 3: Cross multiply
    13,964.45x = 20,944.65 × 4,102.70
  4. Step 4: Simplify right side
    13,964.45x = 85,929,615.56
  5. Step 5: Solve for x
    x = 85,929,615.56/13,964.45
  6. Step 6: Final answer
    x = 6,153.46

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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.