Home / 18,141.69-25,036.66-12,081.54

Finding the Fourth Proportional to 18,141.69, 25,036.66 and 12,081.54

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Solution

The fourth proportional to 18,141.69, 25,036.66 and 12,081.54 is: 16,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.69 : 25,036.66 = 12,081.54 : x
  2. Step 2: Convert to fraction form
    18,141.69/25,036.66 = 12,081.54/x
  3. Step 3: Cross multiply
    18,141.69x = 25,036.66 × 12,081.54
  4. Step 4: Simplify right side
    18,141.69x = 302,481,409.26
  5. Step 5: Solve for x
    x = 302,481,409.26/18,141.69
  6. Step 6: Final answer
    x = 16,673.28

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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.