Home / 12,731.07-19,099.34-6,494.48

Finding the Fourth Proportional to 12,731.07, 19,099.34 and 6,494.48

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Solution

The fourth proportional to 12,731.07, 19,099.34 and 6,494.48 is: 9,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.07 : 19,099.34 = 6,494.48 : x
  2. Step 2: Convert to fraction form
    12,731.07/19,099.34 = 6,494.48/x
  3. Step 3: Cross multiply
    12,731.07x = 19,099.34 × 6,494.48
  4. Step 4: Simplify right side
    12,731.07x = 124,040,286.18
  5. Step 5: Solve for x
    x = 124,040,286.18/12,731.07
  6. Step 6: Final answer
    x = 9,743.11

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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.