Home / 18,977.56-26,185.58-13,329.56

Finding the Fourth Proportional to 18,977.56, 26,185.58 and 13,329.56

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Solution

The fourth proportional to 18,977.56, 26,185.58 and 13,329.56 is: 18,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.56 : 26,185.58 = 13,329.56 : x
  2. Step 2: Convert to fraction form
    18,977.56/26,185.58 = 13,329.56/x
  3. Step 3: Cross multiply
    18,977.56x = 26,185.58 × 13,329.56
  4. Step 4: Simplify right side
    18,977.56x = 349,042,308.55
  5. Step 5: Solve for x
    x = 349,042,308.55/18,977.56
  6. Step 6: Final answer
    x = 18,392.37

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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.