Home / 10,869.29-16,295.95-3,469.48

Finding the Fourth Proportional to 10,869.29, 16,295.95 and 3,469.48

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Solution

The fourth proportional to 10,869.29, 16,295.95 and 3,469.48 is: 5,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.29 : 16,295.95 = 3,469.48 : x
  2. Step 2: Convert to fraction form
    10,869.29/16,295.95 = 3,469.48/x
  3. Step 3: Cross multiply
    10,869.29x = 16,295.95 × 3,469.48
  4. Step 4: Simplify right side
    10,869.29x = 56,538,472.61
  5. Step 5: Solve for x
    x = 56,538,472.61/10,869.29
  6. Step 6: Final answer
    x = 5,201.67

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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.