Home / 18,264.45-27,407.48-13,321.65

Finding the Fourth Proportional to 18,264.45, 27,407.48 and 13,321.65

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Solution

The fourth proportional to 18,264.45, 27,407.48 and 13,321.65 is: 19,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.45 : 27,407.48 = 13,321.65 : x
  2. Step 2: Convert to fraction form
    18,264.45/27,407.48 = 13,321.65/x
  3. Step 3: Cross multiply
    18,264.45x = 27,407.48 × 13,321.65
  4. Step 4: Simplify right side
    18,264.45x = 365,112,789.33
  5. Step 5: Solve for x
    x = 365,112,789.33/18,264.45
  6. Step 6: Final answer
    x = 19,990.35

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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.