Home / 14,767.85-20,379.67-8,394.48

Finding the Fourth Proportional to 14,767.85, 20,379.67 and 8,394.48

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Solution

The fourth proportional to 14,767.85, 20,379.67 and 8,394.48 is: 11,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.85 : 20,379.67 = 8,394.48 : x
  2. Step 2: Convert to fraction form
    14,767.85/20,379.67 = 8,394.48/x
  3. Step 3: Cross multiply
    14,767.85x = 20,379.67 × 8,394.48
  4. Step 4: Simplify right side
    14,767.85x = 171,076,760.68
  5. Step 5: Solve for x
    x = 171,076,760.68/14,767.85
  6. Step 6: Final answer
    x = 11,584.41

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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.