Home / 11,946.04-17,918.74-3,181.02

Finding the Fourth Proportional to 11,946.04, 17,918.74 and 3,181.02

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Solution

The fourth proportional to 11,946.04, 17,918.74 and 3,181.02 is: 4,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.04 : 17,918.74 = 3,181.02 : x
  2. Step 2: Convert to fraction form
    11,946.04/17,918.74 = 3,181.02/x
  3. Step 3: Cross multiply
    11,946.04x = 17,918.74 × 3,181.02
  4. Step 4: Simplify right side
    11,946.04x = 56,999,870.31
  5. Step 5: Solve for x
    x = 56,999,870.31/11,946.04
  6. Step 6: Final answer
    x = 4,771.44

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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.