Home / 13,286.96-19,930.26-4,527.98

Finding the Fourth Proportional to 13,286.96, 19,930.26 and 4,527.98

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Solution

The fourth proportional to 13,286.96, 19,930.26 and 4,527.98 is: 6,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.96 : 19,930.26 = 4,527.98 : x
  2. Step 2: Convert to fraction form
    13,286.96/19,930.26 = 4,527.98/x
  3. Step 3: Cross multiply
    13,286.96x = 19,930.26 × 4,527.98
  4. Step 4: Simplify right side
    13,286.96x = 90,243,818.67
  5. Step 5: Solve for x
    x = 90,243,818.67/13,286.96
  6. Step 6: Final answer
    x = 6,791.91

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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.