Home / 12,131.22-16,741.14-6,826.12

Finding the Fourth Proportional to 12,131.22, 16,741.14 and 6,826.12

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Solution

The fourth proportional to 12,131.22, 16,741.14 and 6,826.12 is: 9,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.22 : 16,741.14 = 6,826.12 : x
  2. Step 2: Convert to fraction form
    12,131.22/16,741.14 = 6,826.12/x
  3. Step 3: Cross multiply
    12,131.22x = 16,741.14 × 6,826.12
  4. Step 4: Simplify right side
    12,131.22x = 114,277,030.58
  5. Step 5: Solve for x
    x = 114,277,030.58/12,131.22
  6. Step 6: Final answer
    x = 9,420.08

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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.