Home / 12,170.56-18,259.08-3,850.74

Finding the Fourth Proportional to 12,170.56, 18,259.08 and 3,850.74

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Solution

The fourth proportional to 12,170.56, 18,259.08 and 3,850.74 is: 5,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.56 : 18,259.08 = 3,850.74 : x
  2. Step 2: Convert to fraction form
    12,170.56/18,259.08 = 3,850.74/x
  3. Step 3: Cross multiply
    12,170.56x = 18,259.08 × 3,850.74
  4. Step 4: Simplify right side
    12,170.56x = 70,310,969.72
  5. Step 5: Solve for x
    x = 70,310,969.72/12,170.56
  6. Step 6: Final answer
    x = 5,777.14

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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.