Home / 12,718.60-19,072.48-6,873.64

Finding the Fourth Proportional to 12,718.60, 19,072.48 and 6,873.64

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Solution

The fourth proportional to 12,718.60, 19,072.48 and 6,873.64 is: 10,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.60 : 19,072.48 = 6,873.64 : x
  2. Step 2: Convert to fraction form
    12,718.60/19,072.48 = 6,873.64/x
  3. Step 3: Cross multiply
    12,718.60x = 19,072.48 × 6,873.64
  4. Step 4: Simplify right side
    12,718.60x = 131,097,361.43
  5. Step 5: Solve for x
    x = 131,097,361.43/12,718.60
  6. Step 6: Final answer
    x = 10,307.53

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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.