Home / 9,186.36-13,773.96-3,918.42

Finding the Fourth Proportional to 9,186.36, 13,773.96 and 3,918.42

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Solution

The fourth proportional to 9,186.36, 13,773.96 and 3,918.42 is: 5,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.36 : 13,773.96 = 3,918.42 : x
  2. Step 2: Convert to fraction form
    9,186.36/13,773.96 = 3,918.42/x
  3. Step 3: Cross multiply
    9,186.36x = 13,773.96 × 3,918.42
  4. Step 4: Simplify right side
    9,186.36x = 53,972,160.34
  5. Step 5: Solve for x
    x = 53,972,160.34/9,186.36
  6. Step 6: Final answer
    x = 5,875.25

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1.5x scale

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.