Home / 10,890.70-16,336.06-3,099.51

Finding the Fourth Proportional to 10,890.70, 16,336.06 and 3,099.51

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Solution

The fourth proportional to 10,890.70, 16,336.06 and 3,099.51 is: 4,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.70 : 16,336.06 = 3,099.51 : x
  2. Step 2: Convert to fraction form
    10,890.70/16,336.06 = 3,099.51/x
  3. Step 3: Cross multiply
    10,890.70x = 16,336.06 × 3,099.51
  4. Step 4: Simplify right side
    10,890.70x = 50,633,773.58
  5. Step 5: Solve for x
    x = 50,633,773.58/10,890.70
  6. Step 6: Final answer
    x = 4,649.27

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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.