Home / 14,134.45-21,201.68-4,272.70

Finding the Fourth Proportional to 14,134.45, 21,201.68 and 4,272.70

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Solution

The fourth proportional to 14,134.45, 21,201.68 and 4,272.70 is: 6,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.45 : 21,201.68 = 4,272.70 : x
  2. Step 2: Convert to fraction form
    14,134.45/21,201.68 = 4,272.70/x
  3. Step 3: Cross multiply
    14,134.45x = 21,201.68 × 4,272.70
  4. Step 4: Simplify right side
    14,134.45x = 90,588,418.14
  5. Step 5: Solve for x
    x = 90,588,418.14/14,134.45
  6. Step 6: Final answer
    x = 6,409.05

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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.