Home / 9,786.88-14,677.62-5,621.86

Finding the Fourth Proportional to 9,786.88, 14,677.62 and 5,621.86

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Solution

The fourth proportional to 9,786.88, 14,677.62 and 5,621.86 is: 8,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.88 : 14,677.62 = 5,621.86 : x
  2. Step 2: Convert to fraction form
    9,786.88/14,677.62 = 5,621.86/x
  3. Step 3: Cross multiply
    9,786.88x = 14,677.62 × 5,621.86
  4. Step 4: Simplify right side
    9,786.88x = 82,515,524.77
  5. Step 5: Solve for x
    x = 82,515,524.77/9,786.88
  6. Step 6: Final answer
    x = 8,431.24

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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.