Home / 11,918.46-17,873.76-4,018.84

Finding the Fourth Proportional to 11,918.46, 17,873.76 and 4,018.84

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Solution

The fourth proportional to 11,918.46, 17,873.76 and 4,018.84 is: 6,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.46 : 17,873.76 = 4,018.84 : x
  2. Step 2: Convert to fraction form
    11,918.46/17,873.76 = 4,018.84/x
  3. Step 3: Cross multiply
    11,918.46x = 17,873.76 × 4,018.84
  4. Step 4: Simplify right side
    11,918.46x = 71,831,672.18
  5. Step 5: Solve for x
    x = 71,831,672.18/11,918.46
  6. Step 6: Final answer
    x = 6,026.93

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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.