Home / 12,223.03-18,334.36-3,903.00

Finding the Fourth Proportional to 12,223.03, 18,334.36 and 3,903.00

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Solution

The fourth proportional to 12,223.03, 18,334.36 and 3,903.00 is: 5,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.03 : 18,334.36 = 3,903.00 : x
  2. Step 2: Convert to fraction form
    12,223.03/18,334.36 = 3,903.00/x
  3. Step 3: Cross multiply
    12,223.03x = 18,334.36 × 3,903.00
  4. Step 4: Simplify right side
    12,223.03x = 71,558,895.89
  5. Step 5: Solve for x
    x = 71,558,895.89/12,223.03
  6. Step 6: Final answer
    x = 5,854.43

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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.