Home / 9,786.99-13,517.27-6,444.75

Finding the Fourth Proportional to 9,786.99, 13,517.27 and 6,444.75

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Solution

The fourth proportional to 9,786.99, 13,517.27 and 6,444.75 is: 8,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.99 : 13,517.27 = 6,444.75 : x
  2. Step 2: Convert to fraction form
    9,786.99/13,517.27 = 6,444.75/x
  3. Step 3: Cross multiply
    9,786.99x = 13,517.27 × 6,444.75
  4. Step 4: Simplify right side
    9,786.99x = 87,115,425.83
  5. Step 5: Solve for x
    x = 87,115,425.83/9,786.99
  6. Step 6: Final answer
    x = 8,901.15

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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.