Home / 11,731.86-16,190.15-6,427.17

Finding the Fourth Proportional to 11,731.86, 16,190.15 and 6,427.17

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Solution

The fourth proportional to 11,731.86, 16,190.15 and 6,427.17 is: 8,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.86 : 16,190.15 = 6,427.17 : x
  2. Step 2: Convert to fraction form
    11,731.86/16,190.15 = 6,427.17/x
  3. Step 3: Cross multiply
    11,731.86x = 16,190.15 × 6,427.17
  4. Step 4: Simplify right side
    11,731.86x = 104,056,814.24
  5. Step 5: Solve for x
    x = 104,056,814.24/11,731.86
  6. Step 6: Final answer
    x = 8,869.59

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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.