Home / 12,255.71-18,327.06-9,099.14

Finding the Fourth Proportional to 12,255.71, 18,327.06 and 9,099.14

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Solution

The fourth proportional to 12,255.71, 18,327.06 and 9,099.14 is: 13,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.71 : 18,327.06 = 9,099.14 : x
  2. Step 2: Convert to fraction form
    12,255.71/18,327.06 = 9,099.14/x
  3. Step 3: Cross multiply
    12,255.71x = 18,327.06 × 9,099.14
  4. Step 4: Simplify right side
    12,255.71x = 166,760,393.09
  5. Step 5: Solve for x
    x = 166,760,393.09/12,255.71
  6. Step 6: Final answer
    x = 13,606.76

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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.