Home / 18,660.19-25,742.74-12,608.48

Finding the Fourth Proportional to 18,660.19, 25,742.74 and 12,608.48

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Solution

The fourth proportional to 18,660.19, 25,742.74 and 12,608.48 is: 17,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.19 : 25,742.74 = 12,608.48 : x
  2. Step 2: Convert to fraction form
    18,660.19/25,742.74 = 12,608.48/x
  3. Step 3: Cross multiply
    18,660.19x = 25,742.74 × 12,608.48
  4. Step 4: Simplify right side
    18,660.19x = 324,576,822.44
  5. Step 5: Solve for x
    x = 324,576,822.44/18,660.19
  6. Step 6: Final answer
    x = 17,394.08

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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.