Home / 11,970.45-17,955.72-4,177.44

Finding the Fourth Proportional to 11,970.45, 17,955.72 and 4,177.44

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Solution

The fourth proportional to 11,970.45, 17,955.72 and 4,177.44 is: 6,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.45 : 17,955.72 = 4,177.44 : x
  2. Step 2: Convert to fraction form
    11,970.45/17,955.72 = 4,177.44/x
  3. Step 3: Cross multiply
    11,970.45x = 17,955.72 × 4,177.44
  4. Step 4: Simplify right side
    11,970.45x = 75,008,942.96
  5. Step 5: Solve for x
    x = 75,008,942.96/11,970.45
  6. Step 6: Final answer
    x = 6,266.18

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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.