Home / 12,069.04-18,108.30-3,749.71

Finding the Fourth Proportional to 12,069.04, 18,108.30 and 3,749.71

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Solution

The fourth proportional to 12,069.04, 18,108.30 and 3,749.71 is: 5,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.04 : 18,108.30 = 3,749.71 : x
  2. Step 2: Convert to fraction form
    12,069.04/18,108.30 = 3,749.71/x
  3. Step 3: Cross multiply
    12,069.04x = 18,108.30 × 3,749.71
  4. Step 4: Simplify right side
    12,069.04x = 67,900,873.59
  5. Step 5: Solve for x
    x = 67,900,873.59/12,069.04
  6. Step 6: Final answer
    x = 5,626.04

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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.