Home / 18,736.80-25,804.44-15,564.04

Finding the Fourth Proportional to 18,736.80, 25,804.44 and 15,564.04

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Solution

The fourth proportional to 18,736.80, 25,804.44 and 15,564.04 is: 21,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.80 : 25,804.44 = 15,564.04 : x
  2. Step 2: Convert to fraction form
    18,736.80/25,804.44 = 15,564.04/x
  3. Step 3: Cross multiply
    18,736.80x = 25,804.44 × 15,564.04
  4. Step 4: Simplify right side
    18,736.80x = 401,621,336.34
  5. Step 5: Solve for x
    x = 401,621,336.34/18,736.80
  6. Step 6: Final answer
    x = 21,434.89

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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.