Home / 11,444.09-15,792.57-6,728.67

Finding the Fourth Proportional to 11,444.09, 15,792.57 and 6,728.67

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Solution

The fourth proportional to 11,444.09, 15,792.57 and 6,728.67 is: 9,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.09 : 15,792.57 = 6,728.67 : x
  2. Step 2: Convert to fraction form
    11,444.09/15,792.57 = 6,728.67/x
  3. Step 3: Cross multiply
    11,444.09x = 15,792.57 × 6,728.67
  4. Step 4: Simplify right side
    11,444.09x = 106,262,991.98
  5. Step 5: Solve for x
    x = 106,262,991.98/11,444.09
  6. Step 6: Final answer
    x = 9,285.41

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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.