Home / 10,255.37-14,212.98-10,099.85

Finding the Fourth Proportional to 10,255.37, 14,212.98 and 10,099.85

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Solution

The fourth proportional to 10,255.37, 14,212.98 and 10,099.85 is: 13,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.37 : 14,212.98 = 10,099.85 : x
  2. Step 2: Convert to fraction form
    10,255.37/14,212.98 = 10,099.85/x
  3. Step 3: Cross multiply
    10,255.37x = 14,212.98 × 10,099.85
  4. Step 4: Simplify right side
    10,255.37x = 143,548,894.99
  5. Step 5: Solve for x
    x = 143,548,894.99/10,255.37
  6. Step 6: Final answer
    x = 13,997.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.