Home / 18,144.36-25,037.51-10,185.03

Finding the Fourth Proportional to 18,144.36, 25,037.51 and 10,185.03

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Solution

The fourth proportional to 18,144.36, 25,037.51 and 10,185.03 is: 14,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.36 : 25,037.51 = 10,185.03 : x
  2. Step 2: Convert to fraction form
    18,144.36/25,037.51 = 10,185.03/x
  3. Step 3: Cross multiply
    18,144.36x = 25,037.51 × 10,185.03
  4. Step 4: Simplify right side
    18,144.36x = 255,007,739.55
  5. Step 5: Solve for x
    x = 255,007,739.55/18,144.36
  6. Step 6: Final answer
    x = 14,054.38

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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.