Home / 16,442.75-22,690.97-8,889.09

Finding the Fourth Proportional to 16,442.75, 22,690.97 and 8,889.09

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Solution

The fourth proportional to 16,442.75, 22,690.97 and 8,889.09 is: 12,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.75 : 22,690.97 = 8,889.09 : x
  2. Step 2: Convert to fraction form
    16,442.75/22,690.97 = 8,889.09/x
  3. Step 3: Cross multiply
    16,442.75x = 22,690.97 × 8,889.09
  4. Step 4: Simplify right side
    16,442.75x = 201,702,074.52
  5. Step 5: Solve for x
    x = 201,702,074.52/16,442.75
  6. Step 6: Final answer
    x = 12,266.93

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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.