Home / 10,288.44-14,190.82-6,311.48

Finding the Fourth Proportional to 10,288.44, 14,190.82 and 6,311.48

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Solution

The fourth proportional to 10,288.44, 14,190.82 and 6,311.48 is: 8,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.44 : 14,190.82 = 6,311.48 : x
  2. Step 2: Convert to fraction form
    10,288.44/14,190.82 = 6,311.48/x
  3. Step 3: Cross multiply
    10,288.44x = 14,190.82 × 6,311.48
  4. Step 4: Simplify right side
    10,288.44x = 89,565,076.61
  5. Step 5: Solve for x
    x = 89,565,076.61/10,288.44
  6. Step 6: Final answer
    x = 8,705.41

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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.