Home / 12,244-18,309.92-9,126.12

Finding the Fourth Proportional to 12,244, 18,309.92 and 9,126.12

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Solution

The fourth proportional to 12,244, 18,309.92 and 9,126.12 is: 13,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244 : 18,309.92 = 9,126.12 : x
  2. Step 2: Convert to fraction form
    12,244/18,309.92 = 9,126.12/x
  3. Step 3: Cross multiply
    12,244x = 18,309.92 × 9,126.12
  4. Step 4: Simplify right side
    12,244x = 167,098,527.11
  5. Step 5: Solve for x
    x = 167,098,527.11/12,244
  6. Step 6: Final answer
    x = 13,647.38

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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.