Home / 12,131.61-16,741.44-6,826.41

Finding the Fourth Proportional to 12,131.61, 16,741.44 and 6,826.41

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Solution

The fourth proportional to 12,131.61, 16,741.44 and 6,826.41 is: 9,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.61 : 16,741.44 = 6,826.41 : x
  2. Step 2: Convert to fraction form
    12,131.61/16,741.44 = 6,826.41/x
  3. Step 3: Cross multiply
    12,131.61x = 16,741.44 × 6,826.41
  4. Step 4: Simplify right side
    12,131.61x = 114,283,933.43
  5. Step 5: Solve for x
    x = 114,283,933.43/12,131.61
  6. Step 6: Final answer
    x = 9,420.34

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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.