Home / 12,004.55-18,006.83-3,239.45

Finding the Fourth Proportional to 12,004.55, 18,006.83 and 3,239.45

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Solution

The fourth proportional to 12,004.55, 18,006.83 and 3,239.45 is: 4,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.55 : 18,006.83 = 3,239.45 : x
  2. Step 2: Convert to fraction form
    12,004.55/18,006.83 = 3,239.45/x
  3. Step 3: Cross multiply
    12,004.55x = 18,006.83 × 3,239.45
  4. Step 4: Simplify right side
    12,004.55x = 58,332,209.25
  5. Step 5: Solve for x
    x = 58,332,209.25/12,004.55
  6. Step 6: Final answer
    x = 4,859.18

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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.