Home / 20,516.98-30,776.97-7,369.45

Finding the Fourth Proportional to 20,516.98, 30,776.97 and 7,369.45

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Solution

The fourth proportional to 20,516.98, 30,776.97 and 7,369.45 is: 11,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.98 : 30,776.97 = 7,369.45 : x
  2. Step 2: Convert to fraction form
    20,516.98/30,776.97 = 7,369.45/x
  3. Step 3: Cross multiply
    20,516.98x = 30,776.97 × 7,369.45
  4. Step 4: Simplify right side
    20,516.98x = 226,809,341.57
  5. Step 5: Solve for x
    x = 226,809,341.57/20,516.98
  6. Step 6: Final answer
    x = 11,054.71

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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.