Home / 13,858.73-19,125.05-7,485.33

Finding the Fourth Proportional to 13,858.73, 19,125.05 and 7,485.33

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Solution

The fourth proportional to 13,858.73, 19,125.05 and 7,485.33 is: 10,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.73 : 19,125.05 = 7,485.33 : x
  2. Step 2: Convert to fraction form
    13,858.73/19,125.05 = 7,485.33/x
  3. Step 3: Cross multiply
    13,858.73x = 19,125.05 × 7,485.33
  4. Step 4: Simplify right side
    13,858.73x = 143,157,310.52
  5. Step 5: Solve for x
    x = 143,157,310.52/13,858.73
  6. Step 6: Final answer
    x = 10,329.76

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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.