Home / 8,816.84-13,199.58-6,863.12

Finding the Fourth Proportional to 8,816.84, 13,199.58 and 6,863.12

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Solution

The fourth proportional to 8,816.84, 13,199.58 and 6,863.12 is: 10,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.84 : 13,199.58 = 6,863.12 : x
  2. Step 2: Convert to fraction form
    8,816.84/13,199.58 = 6,863.12/x
  3. Step 3: Cross multiply
    8,816.84x = 13,199.58 × 6,863.12
  4. Step 4: Simplify right side
    8,816.84x = 90,590,301.49
  5. Step 5: Solve for x
    x = 90,590,301.49/8,816.84
  6. Step 6: Final answer
    x = 10,274.69

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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.