Home / 18,716.49-25,797.99-13,267.39

Finding the Fourth Proportional to 18,716.49, 25,797.99 and 13,267.39

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Solution

The fourth proportional to 18,716.49, 25,797.99 and 13,267.39 is: 18,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.49 : 25,797.99 = 13,267.39 : x
  2. Step 2: Convert to fraction form
    18,716.49/25,797.99 = 13,267.39/x
  3. Step 3: Cross multiply
    18,716.49x = 25,797.99 × 13,267.39
  4. Step 4: Simplify right side
    18,716.49x = 342,271,799.22
  5. Step 5: Solve for x
    x = 342,271,799.22/18,716.49
  6. Step 6: Final answer
    x = 18,287.18

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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.