Home / 13,788.75-19,028.49-7,501.14

Finding the Fourth Proportional to 13,788.75, 19,028.49 and 7,501.14

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Solution

The fourth proportional to 13,788.75, 19,028.49 and 7,501.14 is: 10,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.75 : 19,028.49 = 7,501.14 : x
  2. Step 2: Convert to fraction form
    13,788.75/19,028.49 = 7,501.14/x
  3. Step 3: Cross multiply
    13,788.75x = 19,028.49 × 7,501.14
  4. Step 4: Simplify right side
    13,788.75x = 142,735,367.48
  5. Step 5: Solve for x
    x = 142,735,367.48/13,788.75
  6. Step 6: Final answer
    x = 10,351.58

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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.