Home / 11,661.86-17,486.31-4,728.26

Finding the Fourth Proportional to 11,661.86, 17,486.31 and 4,728.26

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Solution

The fourth proportional to 11,661.86, 17,486.31 and 4,728.26 is: 7,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.86 : 17,486.31 = 4,728.26 : x
  2. Step 2: Convert to fraction form
    11,661.86/17,486.31 = 4,728.26/x
  3. Step 3: Cross multiply
    11,661.86x = 17,486.31 × 4,728.26
  4. Step 4: Simplify right side
    11,661.86x = 82,679,820.12
  5. Step 5: Solve for x
    x = 82,679,820.12/11,661.86
  6. Step 6: Final answer
    x = 7,089.76

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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.