Home / 12,170.20-18,253.73-3,851.06

Finding the Fourth Proportional to 12,170.20, 18,253.73 and 3,851.06

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Solution

The fourth proportional to 12,170.20, 18,253.73 and 3,851.06 is: 5,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.20 : 18,253.73 = 3,851.06 : x
  2. Step 2: Convert to fraction form
    12,170.20/18,253.73 = 3,851.06/x
  3. Step 3: Cross multiply
    12,170.20x = 18,253.73 × 3,851.06
  4. Step 4: Simplify right side
    12,170.20x = 70,296,209.45
  5. Step 5: Solve for x
    x = 70,296,209.45/12,170.20
  6. Step 6: Final answer
    x = 5,776.09

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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.