Home / 13,274.08-19,906.97-3,911.79

Finding the Fourth Proportional to 13,274.08, 19,906.97 and 3,911.79

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Solution

The fourth proportional to 13,274.08, 19,906.97 and 3,911.79 is: 5,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.08 : 19,906.97 = 3,911.79 : x
  2. Step 2: Convert to fraction form
    13,274.08/19,906.97 = 3,911.79/x
  3. Step 3: Cross multiply
    13,274.08x = 19,906.97 × 3,911.79
  4. Step 4: Simplify right side
    13,274.08x = 77,871,941.27
  5. Step 5: Solve for x
    x = 77,871,941.27/13,274.08
  6. Step 6: Final answer
    x = 5,866.47

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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.