Home / 11,588.05-15,991.42-6,282.85

Finding the Fourth Proportional to 11,588.05, 15,991.42 and 6,282.85

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Solution

The fourth proportional to 11,588.05, 15,991.42 and 6,282.85 is: 8,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.05 : 15,991.42 = 6,282.85 : x
  2. Step 2: Convert to fraction form
    11,588.05/15,991.42 = 6,282.85/x
  3. Step 3: Cross multiply
    11,588.05x = 15,991.42 × 6,282.85
  4. Step 4: Simplify right side
    11,588.05x = 100,471,693.15
  5. Step 5: Solve for x
    x = 100,471,693.15/11,588.05
  6. Step 6: Final answer
    x = 8,670.28

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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.