Home / 18,259.75-25,198.50-9,876.25

Finding the Fourth Proportional to 18,259.75, 25,198.50 and 9,876.25

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Solution

The fourth proportional to 18,259.75, 25,198.50 and 9,876.25 is: 13,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.75 : 25,198.50 = 9,876.25 : x
  2. Step 2: Convert to fraction form
    18,259.75/25,198.50 = 9,876.25/x
  3. Step 3: Cross multiply
    18,259.75x = 25,198.50 × 9,876.25
  4. Step 4: Simplify right side
    18,259.75x = 248,866,685.63
  5. Step 5: Solve for x
    x = 248,866,685.63/18,259.75
  6. Step 6: Final answer
    x = 13,629.25

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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.