Home / 11,717.21-17,563.51-7,274.87

Finding the Fourth Proportional to 11,717.21, 17,563.51 and 7,274.87

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Solution

The fourth proportional to 11,717.21, 17,563.51 and 7,274.87 is: 10,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.21 : 17,563.51 = 7,274.87 : x
  2. Step 2: Convert to fraction form
    11,717.21/17,563.51 = 7,274.87/x
  3. Step 3: Cross multiply
    11,717.21x = 17,563.51 × 7,274.87
  4. Step 4: Simplify right side
    11,717.21x = 127,772,251.99
  5. Step 5: Solve for x
    x = 127,772,251.99/11,717.21
  6. Step 6: Final answer
    x = 10,904.67

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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.