Home / 11,069.32-16,599.64-4,909

Finding the Fourth Proportional to 11,069.32, 16,599.64 and 4,909

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Solution

The fourth proportional to 11,069.32, 16,599.64 and 4,909 is: 7,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.32 : 16,599.64 = 4,909 : x
  2. Step 2: Convert to fraction form
    11,069.32/16,599.64 = 4,909/x
  3. Step 3: Cross multiply
    11,069.32x = 16,599.64 × 4,909
  4. Step 4: Simplify right side
    11,069.32x = 81,487,632.76
  5. Step 5: Solve for x
    x = 81,487,632.76/11,069.32
  6. Step 6: Final answer
    x = 7,361.58

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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.