Home / 11,809.90-17,713.68-4,018.60

Finding the Fourth Proportional to 11,809.90, 17,713.68 and 4,018.60

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Solution

The fourth proportional to 11,809.90, 17,713.68 and 4,018.60 is: 6,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.90 : 17,713.68 = 4,018.60 : x
  2. Step 2: Convert to fraction form
    11,809.90/17,713.68 = 4,018.60/x
  3. Step 3: Cross multiply
    11,809.90x = 17,713.68 × 4,018.60
  4. Step 4: Simplify right side
    11,809.90x = 71,184,194.45
  5. Step 5: Solve for x
    x = 71,184,194.45/11,809.90
  6. Step 6: Final answer
    x = 6,027.50

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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.