Home / 12,749.45-19,096.47-6,161.81

Finding the Fourth Proportional to 12,749.45, 19,096.47 and 6,161.81

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Solution

The fourth proportional to 12,749.45, 19,096.47 and 6,161.81 is: 9,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.45 : 19,096.47 = 6,161.81 : x
  2. Step 2: Convert to fraction form
    12,749.45/19,096.47 = 6,161.81/x
  3. Step 3: Cross multiply
    12,749.45x = 19,096.47 × 6,161.81
  4. Step 4: Simplify right side
    12,749.45x = 117,668,867.55
  5. Step 5: Solve for x
    x = 117,668,867.55/12,749.45
  6. Step 6: Final answer
    x = 9,229.33

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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.