Home / 11,918.48-17,879.88-3,598.16

Finding the Fourth Proportional to 11,918.48, 17,879.88 and 3,598.16

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Solution

The fourth proportional to 11,918.48, 17,879.88 and 3,598.16 is: 5,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.48 : 17,879.88 = 3,598.16 : x
  2. Step 2: Convert to fraction form
    11,918.48/17,879.88 = 3,598.16/x
  3. Step 3: Cross multiply
    11,918.48x = 17,879.88 × 3,598.16
  4. Step 4: Simplify right side
    11,918.48x = 64,334,669.02
  5. Step 5: Solve for x
    x = 64,334,669.02/11,918.48
  6. Step 6: Final answer
    x = 5,397.89

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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.