Home / 13,196.86-19,777.44-4,869.04

Finding the Fourth Proportional to 13,196.86, 19,777.44 and 4,869.04

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Solution

The fourth proportional to 13,196.86, 19,777.44 and 4,869.04 is: 7,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.86 : 19,777.44 = 4,869.04 : x
  2. Step 2: Convert to fraction form
    13,196.86/19,777.44 = 4,869.04/x
  3. Step 3: Cross multiply
    13,196.86x = 19,777.44 × 4,869.04
  4. Step 4: Simplify right side
    13,196.86x = 96,297,146.46
  5. Step 5: Solve for x
    x = 96,297,146.46/13,196.86
  6. Step 6: Final answer
    x = 7,296.97

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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.