Home / 16,975.05-23,356.71-13,938.99

Finding the Fourth Proportional to 16,975.05, 23,356.71 and 13,938.99

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Solution

The fourth proportional to 16,975.05, 23,356.71 and 13,938.99 is: 19,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.05 : 23,356.71 = 13,938.99 : x
  2. Step 2: Convert to fraction form
    16,975.05/23,356.71 = 13,938.99/x
  3. Step 3: Cross multiply
    16,975.05x = 23,356.71 × 13,938.99
  4. Step 4: Simplify right side
    16,975.05x = 325,568,947.12
  5. Step 5: Solve for x
    x = 325,568,947.12/16,975.05
  6. Step 6: Final answer
    x = 19,179.26

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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.