Home / 13,841.38-20,770.27-12,965.72

Finding the Fourth Proportional to 13,841.38, 20,770.27 and 12,965.72

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Solution

The fourth proportional to 13,841.38, 20,770.27 and 12,965.72 is: 19,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.38 : 20,770.27 = 12,965.72 : x
  2. Step 2: Convert to fraction form
    13,841.38/20,770.27 = 12,965.72/x
  3. Step 3: Cross multiply
    13,841.38x = 20,770.27 × 12,965.72
  4. Step 4: Simplify right side
    13,841.38x = 269,301,558.64
  5. Step 5: Solve for x
    x = 269,301,558.64/13,841.38
  6. Step 6: Final answer
    x = 19,456.26

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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.