Home / 12,069.10-18,107.75-3,750.30

Finding the Fourth Proportional to 12,069.10, 18,107.75 and 3,750.30

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Solution

The fourth proportional to 12,069.10, 18,107.75 and 3,750.30 is: 5,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.10 : 18,107.75 = 3,750.30 : x
  2. Step 2: Convert to fraction form
    12,069.10/18,107.75 = 3,750.30/x
  3. Step 3: Cross multiply
    12,069.10x = 18,107.75 × 3,750.30
  4. Step 4: Simplify right side
    12,069.10x = 67,909,504.20
  5. Step 5: Solve for x
    x = 67,909,504.20/12,069.10
  6. Step 6: Final answer
    x = 5,626.72

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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.