Home / 11,586.18-17,378.94-2,820.97

Finding the Fourth Proportional to 11,586.18, 17,378.94 and 2,820.97

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Solution

The fourth proportional to 11,586.18, 17,378.94 and 2,820.97 is: 4,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.18 : 17,378.94 = 2,820.97 : x
  2. Step 2: Convert to fraction form
    11,586.18/17,378.94 = 2,820.97/x
  3. Step 3: Cross multiply
    11,586.18x = 17,378.94 × 2,820.97
  4. Step 4: Simplify right side
    11,586.18x = 49,025,484.81
  5. Step 5: Solve for x
    x = 49,025,484.81/11,586.18
  6. Step 6: Final answer
    x = 4,231.37

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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.