Home / 18,283.09-25,231.13-11,213.41

Finding the Fourth Proportional to 18,283.09, 25,231.13 and 11,213.41

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Solution

The fourth proportional to 18,283.09, 25,231.13 and 11,213.41 is: 15,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.09 : 25,231.13 = 11,213.41 : x
  2. Step 2: Convert to fraction form
    18,283.09/25,231.13 = 11,213.41/x
  3. Step 3: Cross multiply
    18,283.09x = 25,231.13 × 11,213.41
  4. Step 4: Simplify right side
    18,283.09x = 282,927,005.45
  5. Step 5: Solve for x
    x = 282,927,005.45/18,283.09
  6. Step 6: Final answer
    x = 15,474.79

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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.