Home / 9,099.88-13,651.47-3,177.65

Finding the Fourth Proportional to 9,099.88, 13,651.47 and 3,177.65

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Solution

The fourth proportional to 9,099.88, 13,651.47 and 3,177.65 is: 4,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.88 : 13,651.47 = 3,177.65 : x
  2. Step 2: Convert to fraction form
    9,099.88/13,651.47 = 3,177.65/x
  3. Step 3: Cross multiply
    9,099.88x = 13,651.47 × 3,177.65
  4. Step 4: Simplify right side
    9,099.88x = 43,379,627.77
  5. Step 5: Solve for x
    x = 43,379,627.77/9,099.88
  6. Step 6: Final answer
    x = 4,767.06

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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.