Home / 18,152.32-25,043.20-13,383.60

Finding the Fourth Proportional to 18,152.32, 25,043.20 and 13,383.60

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Solution

The fourth proportional to 18,152.32, 25,043.20 and 13,383.60 is: 18,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.32 : 25,043.20 = 13,383.60 : x
  2. Step 2: Convert to fraction form
    18,152.32/25,043.20 = 13,383.60/x
  3. Step 3: Cross multiply
    18,152.32x = 25,043.20 × 13,383.60
  4. Step 4: Simplify right side
    18,152.32x = 335,168,293.09
  5. Step 5: Solve for x
    x = 335,168,293.09/18,152.32
  6. Step 6: Final answer
    x = 18,464.21

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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.