Home / 18,182.32-25,076.58-12,822.60

Finding the Fourth Proportional to 18,182.32, 25,076.58 and 12,822.60

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Solution

The fourth proportional to 18,182.32, 25,076.58 and 12,822.60 is: 17,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.32 : 25,076.58 = 12,822.60 : x
  2. Step 2: Convert to fraction form
    18,182.32/25,076.58 = 12,822.60/x
  3. Step 3: Cross multiply
    18,182.32x = 25,076.58 × 12,822.60
  4. Step 4: Simplify right side
    18,182.32x = 321,546,954.71
  5. Step 5: Solve for x
    x = 321,546,954.71/18,182.32
  6. Step 6: Final answer
    x = 17,684.59

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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.