Home / 18,181.36-25,087.32-10,222.00

Finding the Fourth Proportional to 18,181.36, 25,087.32 and 10,222.00

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Solution

The fourth proportional to 18,181.36, 25,087.32 and 10,222.00 is: 14,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.36 : 25,087.32 = 10,222.00 : x
  2. Step 2: Convert to fraction form
    18,181.36/25,087.32 = 10,222.00/x
  3. Step 3: Cross multiply
    18,181.36x = 25,087.32 × 10,222.00
  4. Step 4: Simplify right side
    18,181.36x = 256,442,522.32
  5. Step 5: Solve for x
    x = 256,442,522.32/18,181.36
  6. Step 6: Final answer
    x = 14,104.69

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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.