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Finding the Fourth Proportional to 8,656.24, 12,995.28 and 6,922.84

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Solution

The fourth proportional to 8,656.24, 12,995.28 and 6,922.84 is: 10,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.24 : 12,995.28 = 6,922.84 : x
  2. Step 2: Convert to fraction form
    8,656.24/12,995.28 = 6,922.84/x
  3. Step 3: Cross multiply
    8,656.24x = 12,995.28 × 6,922.84
  4. Step 4: Simplify right side
    8,656.24x = 89,964,244.20
  5. Step 5: Solve for x
    x = 89,964,244.20/8,656.24
  6. Step 6: Final answer
    x = 10,392.99

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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.