Home / 9,977.44-13,768.20-5,500.90

Finding the Fourth Proportional to 9,977.44, 13,768.20 and 5,500.90

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Solution

The fourth proportional to 9,977.44, 13,768.20 and 5,500.90 is: 7,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.44 : 13,768.20 = 5,500.90 : x
  2. Step 2: Convert to fraction form
    9,977.44/13,768.20 = 5,500.90/x
  3. Step 3: Cross multiply
    9,977.44x = 13,768.20 × 5,500.90
  4. Step 4: Simplify right side
    9,977.44x = 75,737,491.38
  5. Step 5: Solve for x
    x = 75,737,491.38/9,977.44
  6. Step 6: Final answer
    x = 7,590.87

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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.