Home / 19,665.56-27,137.42-11,167.46

Finding the Fourth Proportional to 19,665.56, 27,137.42 and 11,167.46

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Solution

The fourth proportional to 19,665.56, 27,137.42 and 11,167.46 is: 15,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.56 : 27,137.42 = 11,167.46 : x
  2. Step 2: Convert to fraction form
    19,665.56/27,137.42 = 11,167.46/x
  3. Step 3: Cross multiply
    19,665.56x = 27,137.42 × 11,167.46
  4. Step 4: Simplify right side
    19,665.56x = 303,056,052.35
  5. Step 5: Solve for x
    x = 303,056,052.35/19,665.56
  6. Step 6: Final answer
    x = 15,410.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.