Home / 13,936.45-20,906.73-6,541.66

Finding the Fourth Proportional to 13,936.45, 20,906.73 and 6,541.66

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Solution

The fourth proportional to 13,936.45, 20,906.73 and 6,541.66 is: 9,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.45 : 20,906.73 = 6,541.66 : x
  2. Step 2: Convert to fraction form
    13,936.45/20,906.73 = 6,541.66/x
  3. Step 3: Cross multiply
    13,936.45x = 20,906.73 × 6,541.66
  4. Step 4: Simplify right side
    13,936.45x = 136,764,719.37
  5. Step 5: Solve for x
    x = 136,764,719.37/13,936.45
  6. Step 6: Final answer
    x = 9,813.45

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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.