Home / 18,766.78-25,896.99-10,383.28

Finding the Fourth Proportional to 18,766.78, 25,896.99 and 10,383.28

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Solution

The fourth proportional to 18,766.78, 25,896.99 and 10,383.28 is: 14,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.78 : 25,896.99 = 10,383.28 : x
  2. Step 2: Convert to fraction form
    18,766.78/25,896.99 = 10,383.28/x
  3. Step 3: Cross multiply
    18,766.78x = 25,896.99 × 10,383.28
  4. Step 4: Simplify right side
    18,766.78x = 268,895,698.33
  5. Step 5: Solve for x
    x = 268,895,698.33/18,766.78
  6. Step 6: Final answer
    x = 14,328.28

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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.