Home / 12,266.36-18,400.01-3,945.28

Finding the Fourth Proportional to 12,266.36, 18,400.01 and 3,945.28

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Solution

The fourth proportional to 12,266.36, 18,400.01 and 3,945.28 is: 5,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.36 : 18,400.01 = 3,945.28 : x
  2. Step 2: Convert to fraction form
    12,266.36/18,400.01 = 3,945.28/x
  3. Step 3: Cross multiply
    12,266.36x = 18,400.01 × 3,945.28
  4. Step 4: Simplify right side
    12,266.36x = 72,593,234.17
  5. Step 5: Solve for x
    x = 72,593,234.17/12,266.36
  6. Step 6: Final answer
    x = 5,918.07

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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.