Home / 13,196.28-19,795.74-4,878.48

Finding the Fourth Proportional to 13,196.28, 19,795.74 and 4,878.48

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Solution

The fourth proportional to 13,196.28, 19,795.74 and 4,878.48 is: 7,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.28 : 19,795.74 = 4,878.48 : x
  2. Step 2: Convert to fraction form
    13,196.28/19,795.74 = 4,878.48/x
  3. Step 3: Cross multiply
    13,196.28x = 19,795.74 × 4,878.48
  4. Step 4: Simplify right side
    13,196.28x = 96,573,121.68
  5. Step 5: Solve for x
    x = 96,573,121.68/13,196.28
  6. Step 6: Final answer
    x = 7,318.21

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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.