Home / 12,148.43-16,765.39-6,771.22

Finding the Fourth Proportional to 12,148.43, 16,765.39 and 6,771.22

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Solution

The fourth proportional to 12,148.43, 16,765.39 and 6,771.22 is: 9,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.43 : 16,765.39 = 6,771.22 : x
  2. Step 2: Convert to fraction form
    12,148.43/16,765.39 = 6,771.22/x
  3. Step 3: Cross multiply
    12,148.43x = 16,765.39 × 6,771.22
  4. Step 4: Simplify right side
    12,148.43x = 113,522,079.19
  5. Step 5: Solve for x
    x = 113,522,079.19/12,148.43
  6. Step 6: Final answer
    x = 9,344.59

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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.