Home / 11,328.43-16,992.55-7,982.93

Finding the Fourth Proportional to 11,328.43, 16,992.55 and 7,982.93

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Solution

The fourth proportional to 11,328.43, 16,992.55 and 7,982.93 is: 11,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.43 : 16,992.55 = 7,982.93 : x
  2. Step 2: Convert to fraction form
    11,328.43/16,992.55 = 7,982.93/x
  3. Step 3: Cross multiply
    11,328.43x = 16,992.55 × 7,982.93
  4. Step 4: Simplify right side
    11,328.43x = 135,650,337.17
  5. Step 5: Solve for x
    x = 135,650,337.17/11,328.43
  6. Step 6: Final answer
    x = 11,974.33

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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.