Home / 8,816.36-13,215.21-6,731.84

Finding the Fourth Proportional to 8,816.36, 13,215.21 and 6,731.84

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Solution

The fourth proportional to 8,816.36, 13,215.21 and 6,731.84 is: 10,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.36 : 13,215.21 = 6,731.84 : x
  2. Step 2: Convert to fraction form
    8,816.36/13,215.21 = 6,731.84/x
  3. Step 3: Cross multiply
    8,816.36x = 13,215.21 × 6,731.84
  4. Step 4: Simplify right side
    8,816.36x = 88,962,679.29
  5. Step 5: Solve for x
    x = 88,962,679.29/8,816.36
  6. Step 6: Final answer
    x = 10,090.64

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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.