Home / 11,935.55-16,469.93-6,899.38

Finding the Fourth Proportional to 11,935.55, 16,469.93 and 6,899.38

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Solution

The fourth proportional to 11,935.55, 16,469.93 and 6,899.38 is: 9,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.55 : 16,469.93 = 6,899.38 : x
  2. Step 2: Convert to fraction form
    11,935.55/16,469.93 = 6,899.38/x
  3. Step 3: Cross multiply
    11,935.55x = 16,469.93 × 6,899.38
  4. Step 4: Simplify right side
    11,935.55x = 113,632,281.72
  5. Step 5: Solve for x
    x = 113,632,281.72/11,935.55
  6. Step 6: Final answer
    x = 9,520.49

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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.