Home / 18,181.56-25,090.08-10,223.64

Finding the Fourth Proportional to 18,181.56, 25,090.08 and 10,223.64

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Solution

The fourth proportional to 18,181.56, 25,090.08 and 10,223.64 is: 14,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.56 : 25,090.08 = 10,223.64 : x
  2. Step 2: Convert to fraction form
    18,181.56/25,090.08 = 10,223.64/x
  3. Step 3: Cross multiply
    18,181.56x = 25,090.08 × 10,223.64
  4. Step 4: Simplify right side
    18,181.56x = 256,511,945.49
  5. Step 5: Solve for x
    x = 256,511,945.49/18,181.56
  6. Step 6: Final answer
    x = 14,108.36

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Half scale
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Double scale
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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.