Home / 11,665.42-17,505.48-6,122.72

Finding the Fourth Proportional to 11,665.42, 17,505.48 and 6,122.72

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Solution

The fourth proportional to 11,665.42, 17,505.48 and 6,122.72 is: 9,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.42 : 17,505.48 = 6,122.72 : x
  2. Step 2: Convert to fraction form
    11,665.42/17,505.48 = 6,122.72/x
  3. Step 3: Cross multiply
    11,665.42x = 17,505.48 × 6,122.72
  4. Step 4: Simplify right side
    11,665.42x = 107,181,219.23
  5. Step 5: Solve for x
    x = 107,181,219.23/11,665.42
  6. Step 6: Final answer
    x = 9,187.95

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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.