Home / 19,329.36-28,993.89-11,486.23

Finding the Fourth Proportional to 19,329.36, 28,993.89 and 11,486.23

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Solution

The fourth proportional to 19,329.36, 28,993.89 and 11,486.23 is: 17,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.36 : 28,993.89 = 11,486.23 : x
  2. Step 2: Convert to fraction form
    19,329.36/28,993.89 = 11,486.23/x
  3. Step 3: Cross multiply
    19,329.36x = 28,993.89 × 11,486.23
  4. Step 4: Simplify right side
    19,329.36x = 333,030,460.51
  5. Step 5: Solve for x
    x = 333,030,460.51/19,329.36
  6. Step 6: Final answer
    x = 17,229.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.