Home / 10,889.93-16,336.34-3,491.93

Finding the Fourth Proportional to 10,889.93, 16,336.34 and 3,491.93

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Solution

The fourth proportional to 10,889.93, 16,336.34 and 3,491.93 is: 5,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.93 : 16,336.34 = 3,491.93 : x
  2. Step 2: Convert to fraction form
    10,889.93/16,336.34 = 3,491.93/x
  3. Step 3: Cross multiply
    10,889.93x = 16,336.34 × 3,491.93
  4. Step 4: Simplify right side
    10,889.93x = 57,045,256.59
  5. Step 5: Solve for x
    x = 57,045,256.59/10,889.93
  6. Step 6: Final answer
    x = 5,238.35

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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.