Home / 14,201.94-21,270.51-12,119.70

Finding the Fourth Proportional to 14,201.94, 21,270.51 and 12,119.70

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Solution

The fourth proportional to 14,201.94, 21,270.51 and 12,119.70 is: 18,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.94 : 21,270.51 = 12,119.70 : x
  2. Step 2: Convert to fraction form
    14,201.94/21,270.51 = 12,119.70/x
  3. Step 3: Cross multiply
    14,201.94x = 21,270.51 × 12,119.70
  4. Step 4: Simplify right side
    14,201.94x = 257,792,200.05
  5. Step 5: Solve for x
    x = 257,792,200.05/14,201.94
  6. Step 6: Final answer
    x = 18,151.90

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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.