Home / 13,177.06-18,179.23-8,396.15

Finding the Fourth Proportional to 13,177.06, 18,179.23 and 8,396.15

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Solution

The fourth proportional to 13,177.06, 18,179.23 and 8,396.15 is: 11,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.06 : 18,179.23 = 8,396.15 : x
  2. Step 2: Convert to fraction form
    13,177.06/18,179.23 = 8,396.15/x
  3. Step 3: Cross multiply
    13,177.06x = 18,179.23 × 8,396.15
  4. Step 4: Simplify right side
    13,177.06x = 152,635,541.96
  5. Step 5: Solve for x
    x = 152,635,541.96/13,177.06
  6. Step 6: Final answer
    x = 11,583.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.