Home / 11,918.97-17,875.04-4,803.19

Finding the Fourth Proportional to 11,918.97, 17,875.04 and 4,803.19

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Solution

The fourth proportional to 11,918.97, 17,875.04 and 4,803.19 is: 7,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.97 : 17,875.04 = 4,803.19 : x
  2. Step 2: Convert to fraction form
    11,918.97/17,875.04 = 4,803.19/x
  3. Step 3: Cross multiply
    11,918.97x = 17,875.04 × 4,803.19
  4. Step 4: Simplify right side
    11,918.97x = 85,857,144.67
  5. Step 5: Solve for x
    x = 85,857,144.67/11,918.97
  6. Step 6: Final answer
    x = 7,203.40

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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.