Home / 20,114.07-27,763.77-14,163.15

Finding the Fourth Proportional to 20,114.07, 27,763.77 and 14,163.15

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Solution

The fourth proportional to 20,114.07, 27,763.77 and 14,163.15 is: 19,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.07 : 27,763.77 = 14,163.15 : x
  2. Step 2: Convert to fraction form
    20,114.07/27,763.77 = 14,163.15/x
  3. Step 3: Cross multiply
    20,114.07x = 27,763.77 × 14,163.15
  4. Step 4: Simplify right side
    20,114.07x = 393,222,439.08
  5. Step 5: Solve for x
    x = 393,222,439.08/20,114.07
  6. Step 6: Final answer
    x = 19,549.62

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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.