Home / 11,383.12-15,709.62-6,604.84

Finding the Fourth Proportional to 11,383.12, 15,709.62 and 6,604.84

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Solution

The fourth proportional to 11,383.12, 15,709.62 and 6,604.84 is: 9,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.12 : 15,709.62 = 6,604.84 : x
  2. Step 2: Convert to fraction form
    11,383.12/15,709.62 = 6,604.84/x
  3. Step 3: Cross multiply
    11,383.12x = 15,709.62 × 6,604.84
  4. Step 4: Simplify right side
    11,383.12x = 103,759,526.56
  5. Step 5: Solve for x
    x = 103,759,526.56/11,383.12
  6. Step 6: Final answer
    x = 9,115.21

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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.