Home / 9,977.15-13,767.91-5,500.90

Finding the Fourth Proportional to 9,977.15, 13,767.91 and 5,500.90

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Solution

The fourth proportional to 9,977.15, 13,767.91 and 5,500.90 is: 7,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.15 : 13,767.91 = 5,500.90 : x
  2. Step 2: Convert to fraction form
    9,977.15/13,767.91 = 5,500.90/x
  3. Step 3: Cross multiply
    9,977.15x = 13,767.91 × 5,500.90
  4. Step 4: Simplify right side
    9,977.15x = 75,735,896.12
  5. Step 5: Solve for x
    x = 75,735,896.12/9,977.15
  6. Step 6: Final answer
    x = 7,590.93

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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.