Home / 19,122.92-28,667.26-7,433.36

Finding the Fourth Proportional to 19,122.92, 28,667.26 and 7,433.36

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Solution

The fourth proportional to 19,122.92, 28,667.26 and 7,433.36 is: 11,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.92 : 28,667.26 = 7,433.36 : x
  2. Step 2: Convert to fraction form
    19,122.92/28,667.26 = 7,433.36/x
  3. Step 3: Cross multiply
    19,122.92x = 28,667.26 × 7,433.36
  4. Step 4: Simplify right side
    19,122.92x = 213,094,063.79
  5. Step 5: Solve for x
    x = 213,094,063.79/19,122.92
  6. Step 6: Final answer
    x = 11,143.39

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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.