Home / 12,123.36-18,182.97-3,356.22

Finding the Fourth Proportional to 12,123.36, 18,182.97 and 3,356.22

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Solution

The fourth proportional to 12,123.36, 18,182.97 and 3,356.22 is: 5,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123.36 : 18,182.97 = 3,356.22 : x
  2. Step 2: Convert to fraction form
    12,123.36/18,182.97 = 3,356.22/x
  3. Step 3: Cross multiply
    12,123.36x = 18,182.97 × 3,356.22
  4. Step 4: Simplify right side
    12,123.36x = 61,026,047.57
  5. Step 5: Solve for x
    x = 61,026,047.57/12,123.36
  6. Step 6: Final answer
    x = 5,033.76

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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.