Home / 10,992.20-16,496.46-6,314.45

Finding the Fourth Proportional to 10,992.20, 16,496.46 and 6,314.45

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Solution

The fourth proportional to 10,992.20, 16,496.46 and 6,314.45 is: 9,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.20 : 16,496.46 = 6,314.45 : x
  2. Step 2: Convert to fraction form
    10,992.20/16,496.46 = 6,314.45/x
  3. Step 3: Cross multiply
    10,992.20x = 16,496.46 × 6,314.45
  4. Step 4: Simplify right side
    10,992.20x = 104,165,989.36
  5. Step 5: Solve for x
    x = 104,165,989.36/10,992.20
  6. Step 6: Final answer
    x = 9,476.36

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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.