Home / 16,143.36-22,227.21-14,667.09

Finding the Fourth Proportional to 16,143.36, 22,227.21 and 14,667.09

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Solution

The fourth proportional to 16,143.36, 22,227.21 and 14,667.09 is: 20,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.36 : 22,227.21 = 14,667.09 : x
  2. Step 2: Convert to fraction form
    16,143.36/22,227.21 = 14,667.09/x
  3. Step 3: Cross multiply
    16,143.36x = 22,227.21 × 14,667.09
  4. Step 4: Simplify right side
    16,143.36x = 326,008,489.52
  5. Step 5: Solve for x
    x = 326,008,489.52/16,143.36
  6. Step 6: Final answer
    x = 20,194.59

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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.