Home / 12,186.21-16,817.01-6,597.21

Finding the Fourth Proportional to 12,186.21, 16,817.01 and 6,597.21

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Solution

The fourth proportional to 12,186.21, 16,817.01 and 6,597.21 is: 9,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.21 : 16,817.01 = 6,597.21 : x
  2. Step 2: Convert to fraction form
    12,186.21/16,817.01 = 6,597.21/x
  3. Step 3: Cross multiply
    12,186.21x = 16,817.01 × 6,597.21
  4. Step 4: Simplify right side
    12,186.21x = 110,945,346.54
  5. Step 5: Solve for x
    x = 110,945,346.54/12,186.21
  6. Step 6: Final answer
    x = 9,104.17

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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.