Home / 11,243.22-15,521.85-6,768.07

Finding the Fourth Proportional to 11,243.22, 15,521.85 and 6,768.07

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Solution

The fourth proportional to 11,243.22, 15,521.85 and 6,768.07 is: 9,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.22 : 15,521.85 = 6,768.07 : x
  2. Step 2: Convert to fraction form
    11,243.22/15,521.85 = 6,768.07/x
  3. Step 3: Cross multiply
    11,243.22x = 15,521.85 × 6,768.07
  4. Step 4: Simplify right side
    11,243.22x = 105,052,967.33
  5. Step 5: Solve for x
    x = 105,052,967.33/11,243.22
  6. Step 6: Final answer
    x = 9,343.67

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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.