Home / 13,311.54-19,964.70-4,425.48

Finding the Fourth Proportional to 13,311.54, 19,964.70 and 4,425.48

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Solution

The fourth proportional to 13,311.54, 19,964.70 and 4,425.48 is: 6,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.54 : 19,964.70 = 4,425.48 : x
  2. Step 2: Convert to fraction form
    13,311.54/19,964.70 = 4,425.48/x
  3. Step 3: Cross multiply
    13,311.54x = 19,964.70 × 4,425.48
  4. Step 4: Simplify right side
    13,311.54x = 88,353,380.56
  5. Step 5: Solve for x
    x = 88,353,380.56/13,311.54
  6. Step 6: Final answer
    x = 6,637.35

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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.