Home / 18,634.12-25,697.41-14,378.43

Finding the Fourth Proportional to 18,634.12, 25,697.41 and 14,378.43

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Solution

The fourth proportional to 18,634.12, 25,697.41 and 14,378.43 is: 19,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.12 : 25,697.41 = 14,378.43 : x
  2. Step 2: Convert to fraction form
    18,634.12/25,697.41 = 14,378.43/x
  3. Step 3: Cross multiply
    18,634.12x = 25,697.41 × 14,378.43
  4. Step 4: Simplify right side
    18,634.12x = 369,488,410.87
  5. Step 5: Solve for x
    x = 369,488,410.87/18,634.12
  6. Step 6: Final answer
    x = 19,828.59

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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.