Home / 18,532.64-27,805.48-12,317.33

Finding the Fourth Proportional to 18,532.64, 27,805.48 and 12,317.33

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Solution

The fourth proportional to 18,532.64, 27,805.48 and 12,317.33 is: 18,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.64 : 27,805.48 = 12,317.33 : x
  2. Step 2: Convert to fraction form
    18,532.64/27,805.48 = 12,317.33/x
  3. Step 3: Cross multiply
    18,532.64x = 27,805.48 × 12,317.33
  4. Step 4: Simplify right side
    18,532.64x = 342,489,133.94
  5. Step 5: Solve for x
    x = 342,489,133.94/18,532.64
  6. Step 6: Final answer
    x = 18,480.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.