Home / 12,253.44-16,905.60-8,065.92

Finding the Fourth Proportional to 12,253.44, 16,905.60 and 8,065.92

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Solution

The fourth proportional to 12,253.44, 16,905.60 and 8,065.92 is: 11,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.44 : 16,905.60 = 8,065.92 : x
  2. Step 2: Convert to fraction form
    12,253.44/16,905.60 = 8,065.92/x
  3. Step 3: Cross multiply
    12,253.44x = 16,905.60 × 8,065.92
  4. Step 4: Simplify right side
    12,253.44x = 136,359,217.15
  5. Step 5: Solve for x
    x = 136,359,217.15/12,253.44
  6. Step 6: Final answer
    x = 11,128.24

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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.