Home / 10,722.10-16,065.36-7,586.56

Finding the Fourth Proportional to 10,722.10, 16,065.36 and 7,586.56

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Solution

The fourth proportional to 10,722.10, 16,065.36 and 7,586.56 is: 11,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.10 : 16,065.36 = 7,586.56 : x
  2. Step 2: Convert to fraction form
    10,722.10/16,065.36 = 7,586.56/x
  3. Step 3: Cross multiply
    10,722.10x = 16,065.36 × 7,586.56
  4. Step 4: Simplify right side
    10,722.10x = 121,880,858.98
  5. Step 5: Solve for x
    x = 121,880,858.98/10,722.10
  6. Step 6: Final answer
    x = 11,367.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.