Home / 11,383.84-15,708.62-6,667.21

Finding the Fourth Proportional to 11,383.84, 15,708.62 and 6,667.21

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Solution

The fourth proportional to 11,383.84, 15,708.62 and 6,667.21 is: 9,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.84 : 15,708.62 = 6,667.21 : x
  2. Step 2: Convert to fraction form
    11,383.84/15,708.62 = 6,667.21/x
  3. Step 3: Cross multiply
    11,383.84x = 15,708.62 × 6,667.21
  4. Step 4: Simplify right side
    11,383.84x = 104,732,556.47
  5. Step 5: Solve for x
    x = 104,732,556.47/11,383.84
  6. Step 6: Final answer
    x = 9,200.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.