Home / 11,343.75-17,015.63-4,423.11

Finding the Fourth Proportional to 11,343.75, 17,015.63 and 4,423.11

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Solution

The fourth proportional to 11,343.75, 17,015.63 and 4,423.11 is: 6,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.75 : 17,015.63 = 4,423.11 : x
  2. Step 2: Convert to fraction form
    11,343.75/17,015.63 = 4,423.11/x
  3. Step 3: Cross multiply
    11,343.75x = 17,015.63 × 4,423.11
  4. Step 4: Simplify right side
    11,343.75x = 75,261,981.09
  5. Step 5: Solve for x
    x = 75,261,981.09/11,343.75
  6. Step 6: Final answer
    x = 6,634.67

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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.