Home / 13,338.92-18,393.89-11,456.73

Finding the Fourth Proportional to 13,338.92, 18,393.89 and 11,456.73

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Solution

The fourth proportional to 13,338.92, 18,393.89 and 11,456.73 is: 15,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.92 : 18,393.89 = 11,456.73 : x
  2. Step 2: Convert to fraction form
    13,338.92/18,393.89 = 11,456.73/x
  3. Step 3: Cross multiply
    13,338.92x = 18,393.89 × 11,456.73
  4. Step 4: Simplify right side
    13,338.92x = 210,733,774.10
  5. Step 5: Solve for x
    x = 210,733,774.10/13,338.92
  6. Step 6: Final answer
    x = 15,798.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.