Home / 19,096.64-28,639.44-6,616.16

Finding the Fourth Proportional to 19,096.64, 28,639.44 and 6,616.16

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Solution

The fourth proportional to 19,096.64, 28,639.44 and 6,616.16 is: 9,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,096.64 : 28,639.44 = 6,616.16 : x
  2. Step 2: Convert to fraction form
    19,096.64/28,639.44 = 6,616.16/x
  3. Step 3: Cross multiply
    19,096.64x = 28,639.44 × 6,616.16
  4. Step 4: Simplify right side
    19,096.64x = 189,482,974.15
  5. Step 5: Solve for x
    x = 189,482,974.15/19,096.64
  6. Step 6: Final answer
    x = 9,922.32

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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.