Home / 12,144.22-16,747.14-7,893.70

Finding the Fourth Proportional to 12,144.22, 16,747.14 and 7,893.70

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Solution

The fourth proportional to 12,144.22, 16,747.14 and 7,893.70 is: 10,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.22 : 16,747.14 = 7,893.70 : x
  2. Step 2: Convert to fraction form
    12,144.22/16,747.14 = 7,893.70/x
  3. Step 3: Cross multiply
    12,144.22x = 16,747.14 × 7,893.70
  4. Step 4: Simplify right side
    12,144.22x = 132,196,899.02
  5. Step 5: Solve for x
    x = 132,196,899.02/12,144.22
  6. Step 6: Final answer
    x = 10,885.58

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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.