Home / 10,161.79-15,243.17-3,588.67

Finding the Fourth Proportional to 10,161.79, 15,243.17 and 3,588.67

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Solution

The fourth proportional to 10,161.79, 15,243.17 and 3,588.67 is: 5,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.79 : 15,243.17 = 3,588.67 : x
  2. Step 2: Convert to fraction form
    10,161.79/15,243.17 = 3,588.67/x
  3. Step 3: Cross multiply
    10,161.79x = 15,243.17 × 3,588.67
  4. Step 4: Simplify right side
    10,161.79x = 54,702,706.88
  5. Step 5: Solve for x
    x = 54,702,706.88/10,161.79
  6. Step 6: Final answer
    x = 5,383.18

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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.