Home / 8,923.43-13,379.74-3,992.15

Finding the Fourth Proportional to 8,923.43, 13,379.74 and 3,992.15

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Solution

The fourth proportional to 8,923.43, 13,379.74 and 3,992.15 is: 5,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.43 : 13,379.74 = 3,992.15 : x
  2. Step 2: Convert to fraction form
    8,923.43/13,379.74 = 3,992.15/x
  3. Step 3: Cross multiply
    8,923.43x = 13,379.74 × 3,992.15
  4. Step 4: Simplify right side
    8,923.43x = 53,413,852.16
  5. Step 5: Solve for x
    x = 53,413,852.16/8,923.43
  6. Step 6: Final answer
    x = 5,985.80

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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.