Home / 9,517.82-14,276.74-8,939.78

Finding the Fourth Proportional to 9,517.82, 14,276.74 and 8,939.78

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Solution

The fourth proportional to 9,517.82, 14,276.74 and 8,939.78 is: 13,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.82 : 14,276.74 = 8,939.78 : x
  2. Step 2: Convert to fraction form
    9,517.82/14,276.74 = 8,939.78/x
  3. Step 3: Cross multiply
    9,517.82x = 14,276.74 × 8,939.78
  4. Step 4: Simplify right side
    9,517.82x = 127,630,914.72
  5. Step 5: Solve for x
    x = 127,630,914.72/9,517.82
  6. Step 6: Final answer
    x = 13,409.68

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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.