Home / 11,099.60-16,649.36-5,260.31

Finding the Fourth Proportional to 11,099.60, 16,649.36 and 5,260.31

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Solution

The fourth proportional to 11,099.60, 16,649.36 and 5,260.31 is: 7,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.60 : 16,649.36 = 5,260.31 : x
  2. Step 2: Convert to fraction form
    11,099.60/16,649.36 = 5,260.31/x
  3. Step 3: Cross multiply
    11,099.60x = 16,649.36 × 5,260.31
  4. Step 4: Simplify right side
    11,099.60x = 87,580,768.60
  5. Step 5: Solve for x
    x = 87,580,768.60/11,099.60
  6. Step 6: Final answer
    x = 7,890.44

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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.