Home / 9,955.50-14,930.20-3,380.22

Finding the Fourth Proportional to 9,955.50, 14,930.20 and 3,380.22

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Solution

The fourth proportional to 9,955.50, 14,930.20 and 3,380.22 is: 5,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.50 : 14,930.20 = 3,380.22 : x
  2. Step 2: Convert to fraction form
    9,955.50/14,930.20 = 3,380.22/x
  3. Step 3: Cross multiply
    9,955.50x = 14,930.20 × 3,380.22
  4. Step 4: Simplify right side
    9,955.50x = 50,467,360.64
  5. Step 5: Solve for x
    x = 50,467,360.64/9,955.50
  6. Step 6: Final answer
    x = 5,069.29

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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.