Home / 14,555.38-21,830.94-7,157.85

Finding the Fourth Proportional to 14,555.38, 21,830.94 and 7,157.85

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Solution

The fourth proportional to 14,555.38, 21,830.94 and 7,157.85 is: 10,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.38 : 21,830.94 = 7,157.85 : x
  2. Step 2: Convert to fraction form
    14,555.38/21,830.94 = 7,157.85/x
  3. Step 3: Cross multiply
    14,555.38x = 21,830.94 × 7,157.85
  4. Step 4: Simplify right side
    14,555.38x = 156,262,593.88
  5. Step 5: Solve for x
    x = 156,262,593.88/14,555.38
  6. Step 6: Final answer
    x = 10,735.73

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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.