Home / 14,511.78-21,771.09-4,650.30

Finding the Fourth Proportional to 14,511.78, 21,771.09 and 4,650.30

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Solution

The fourth proportional to 14,511.78, 21,771.09 and 4,650.30 is: 6,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.78 : 21,771.09 = 4,650.30 : x
  2. Step 2: Convert to fraction form
    14,511.78/21,771.09 = 4,650.30/x
  3. Step 3: Cross multiply
    14,511.78x = 21,771.09 × 4,650.30
  4. Step 4: Simplify right side
    14,511.78x = 101,242,099.83
  5. Step 5: Solve for x
    x = 101,242,099.83/14,511.78
  6. Step 6: Final answer
    x = 6,976.55

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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.