Home / 14,912.27-20,542.18-12,780.96

Finding the Fourth Proportional to 14,912.27, 20,542.18 and 12,780.96

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Solution

The fourth proportional to 14,912.27, 20,542.18 and 12,780.96 is: 17,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.27 : 20,542.18 = 12,780.96 : x
  2. Step 2: Convert to fraction form
    14,912.27/20,542.18 = 12,780.96/x
  3. Step 3: Cross multiply
    14,912.27x = 20,542.18 × 12,780.96
  4. Step 4: Simplify right side
    14,912.27x = 262,548,716.99
  5. Step 5: Solve for x
    x = 262,548,716.99/14,912.27
  6. Step 6: Final answer
    x = 17,606.22

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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.