Home / 14,180.94-21,272.87-5,423.22

Finding the Fourth Proportional to 14,180.94, 21,272.87 and 5,423.22

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Solution

The fourth proportional to 14,180.94, 21,272.87 and 5,423.22 is: 8,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.94 : 21,272.87 = 5,423.22 : x
  2. Step 2: Convert to fraction form
    14,180.94/21,272.87 = 5,423.22/x
  3. Step 3: Cross multiply
    14,180.94x = 21,272.87 × 5,423.22
  4. Step 4: Simplify right side
    14,180.94x = 115,367,426.93
  5. Step 5: Solve for x
    x = 115,367,426.93/14,180.94
  6. Step 6: Final answer
    x = 8,135.39

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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.