Home / 13,280.22-19,912.97-6,156.68

Finding the Fourth Proportional to 13,280.22, 19,912.97 and 6,156.68

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Solution

The fourth proportional to 13,280.22, 19,912.97 and 6,156.68 is: 9,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.22 : 19,912.97 = 6,156.68 : x
  2. Step 2: Convert to fraction form
    13,280.22/19,912.97 = 6,156.68/x
  3. Step 3: Cross multiply
    13,280.22x = 19,912.97 × 6,156.68
  4. Step 4: Simplify right side
    13,280.22x = 122,597,699.97
  5. Step 5: Solve for x
    x = 122,597,699.97/13,280.22
  6. Step 6: Final answer
    x = 9,231.60

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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.