Home / 12,018.36-18,027.58-3,698.32

Finding the Fourth Proportional to 12,018.36, 18,027.58 and 3,698.32

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Solution

The fourth proportional to 12,018.36, 18,027.58 and 3,698.32 is: 5,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.36 : 18,027.58 = 3,698.32 : x
  2. Step 2: Convert to fraction form
    12,018.36/18,027.58 = 3,698.32/x
  3. Step 3: Cross multiply
    12,018.36x = 18,027.58 × 3,698.32
  4. Step 4: Simplify right side
    12,018.36x = 66,671,759.67
  5. Step 5: Solve for x
    x = 66,671,759.67/12,018.36
  6. Step 6: Final answer
    x = 5,547.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.