Home / 14,399.73-19,871.60-8,112.06

Finding the Fourth Proportional to 14,399.73, 19,871.60 and 8,112.06

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Solution

The fourth proportional to 14,399.73, 19,871.60 and 8,112.06 is: 11,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.73 : 19,871.60 = 8,112.06 : x
  2. Step 2: Convert to fraction form
    14,399.73/19,871.60 = 8,112.06/x
  3. Step 3: Cross multiply
    14,399.73x = 19,871.60 × 8,112.06
  4. Step 4: Simplify right side
    14,399.73x = 161,199,570.94
  5. Step 5: Solve for x
    x = 161,199,570.94/14,399.73
  6. Step 6: Final answer
    x = 11,194.62

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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.