Home / 20,184.42-27,858.36-13,366.43

Finding the Fourth Proportional to 20,184.42, 27,858.36 and 13,366.43

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Solution

The fourth proportional to 20,184.42, 27,858.36 and 13,366.43 is: 18,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.42 : 27,858.36 = 13,366.43 : x
  2. Step 2: Convert to fraction form
    20,184.42/27,858.36 = 13,366.43/x
  3. Step 3: Cross multiply
    20,184.42x = 27,858.36 × 13,366.43
  4. Step 4: Simplify right side
    20,184.42x = 372,366,612.73
  5. Step 5: Solve for x
    x = 372,366,612.73/20,184.42
  6. Step 6: Final answer
    x = 18,448.22

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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.