Home / 10,099.22-13,936.60-5,622.87

Finding the Fourth Proportional to 10,099.22, 13,936.60 and 5,622.87

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Solution

The fourth proportional to 10,099.22, 13,936.60 and 5,622.87 is: 7,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.22 : 13,936.60 = 5,622.87 : x
  2. Step 2: Convert to fraction form
    10,099.22/13,936.60 = 5,622.87/x
  3. Step 3: Cross multiply
    10,099.22x = 13,936.60 × 5,622.87
  4. Step 4: Simplify right side
    10,099.22x = 78,363,690.04
  5. Step 5: Solve for x
    x = 78,363,690.04/10,099.22
  6. Step 6: Final answer
    x = 7,759.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.