Home / 19,330.60-28,999.14-6,181.60

Finding the Fourth Proportional to 19,330.60, 28,999.14 and 6,181.60

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Solution

The fourth proportional to 19,330.60, 28,999.14 and 6,181.60 is: 9,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.60 : 28,999.14 = 6,181.60 : x
  2. Step 2: Convert to fraction form
    19,330.60/28,999.14 = 6,181.60/x
  3. Step 3: Cross multiply
    19,330.60x = 28,999.14 × 6,181.60
  4. Step 4: Simplify right side
    19,330.60x = 179,261,083.82
  5. Step 5: Solve for x
    x = 179,261,083.82/19,330.60
  6. Step 6: Final answer
    x = 9,273.44

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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.