Home / 12,741.96-19,112.76-6,168.72

Finding the Fourth Proportional to 12,741.96, 19,112.76 and 6,168.72

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Solution

The fourth proportional to 12,741.96, 19,112.76 and 6,168.72 is: 9,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.96 : 19,112.76 = 6,168.72 : x
  2. Step 2: Convert to fraction form
    12,741.96/19,112.76 = 6,168.72/x
  3. Step 3: Cross multiply
    12,741.96x = 19,112.76 × 6,168.72
  4. Step 4: Simplify right side
    12,741.96x = 117,901,264.87
  5. Step 5: Solve for x
    x = 117,901,264.87/12,741.96
  6. Step 6: Final answer
    x = 9,252.99

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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.