Home / 14,511.42-21,775.32-6,190.56

Finding the Fourth Proportional to 14,511.42, 21,775.32 and 6,190.56

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Solution

The fourth proportional to 14,511.42, 21,775.32 and 6,190.56 is: 9,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.42 : 21,775.32 = 6,190.56 : x
  2. Step 2: Convert to fraction form
    14,511.42/21,775.32 = 6,190.56/x
  3. Step 3: Cross multiply
    14,511.42x = 21,775.32 × 6,190.56
  4. Step 4: Simplify right side
    14,511.42x = 134,801,424.98
  5. Step 5: Solve for x
    x = 134,801,424.98/14,511.42
  6. Step 6: Final answer
    x = 9,289.33

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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.