Home / 11,265.08-16,885.74-7,107.64

Finding the Fourth Proportional to 11,265.08, 16,885.74 and 7,107.64

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Solution

The fourth proportional to 11,265.08, 16,885.74 and 7,107.64 is: 10,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.08 : 16,885.74 = 7,107.64 : x
  2. Step 2: Convert to fraction form
    11,265.08/16,885.74 = 7,107.64/x
  3. Step 3: Cross multiply
    11,265.08x = 16,885.74 × 7,107.64
  4. Step 4: Simplify right side
    11,265.08x = 120,017,761.05
  5. Step 5: Solve for x
    x = 120,017,761.05/11,265.08
  6. Step 6: Final answer
    x = 10,653.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.