Home / 14,147.73-21,226.17-4,288.02

Finding the Fourth Proportional to 14,147.73, 21,226.17 and 4,288.02

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Solution

The fourth proportional to 14,147.73, 21,226.17 and 4,288.02 is: 6,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.73 : 21,226.17 = 4,288.02 : x
  2. Step 2: Convert to fraction form
    14,147.73/21,226.17 = 4,288.02/x
  3. Step 3: Cross multiply
    14,147.73x = 21,226.17 × 4,288.02
  4. Step 4: Simplify right side
    14,147.73x = 91,018,241.48
  5. Step 5: Solve for x
    x = 91,018,241.48/14,147.73
  6. Step 6: Final answer
    x = 6,433.42

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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.