Home / 10,936.29-16,404.74-4,272.54

Finding the Fourth Proportional to 10,936.29, 16,404.74 and 4,272.54

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Solution

The fourth proportional to 10,936.29, 16,404.74 and 4,272.54 is: 6,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.29 : 16,404.74 = 4,272.54 : x
  2. Step 2: Convert to fraction form
    10,936.29/16,404.74 = 4,272.54/x
  3. Step 3: Cross multiply
    10,936.29x = 16,404.74 × 4,272.54
  4. Step 4: Simplify right side
    10,936.29x = 70,089,907.84
  5. Step 5: Solve for x
    x = 70,089,907.84/10,936.29
  6. Step 6: Final answer
    x = 6,408.93

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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.