Home / 12,186.06-18,275.36-5,165.94

Finding the Fourth Proportional to 12,186.06, 18,275.36 and 5,165.94

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Solution

The fourth proportional to 12,186.06, 18,275.36 and 5,165.94 is: 7,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.06 : 18,275.36 = 5,165.94 : x
  2. Step 2: Convert to fraction form
    12,186.06/18,275.36 = 5,165.94/x
  3. Step 3: Cross multiply
    12,186.06x = 18,275.36 × 5,165.94
  4. Step 4: Simplify right side
    12,186.06x = 94,409,413.24
  5. Step 5: Solve for x
    x = 94,409,413.24/12,186.06
  6. Step 6: Final answer
    x = 7,747.33

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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.