Home / 13,273.63-18,198.90-13,036.70

Finding the Fourth Proportional to 13,273.63, 18,198.90 and 13,036.70

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Solution

The fourth proportional to 13,273.63, 18,198.90 and 13,036.70 is: 17,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.63 : 18,198.90 = 13,036.70 : x
  2. Step 2: Convert to fraction form
    13,273.63/18,198.90 = 13,036.70/x
  3. Step 3: Cross multiply
    13,273.63x = 18,198.90 × 13,036.70
  4. Step 4: Simplify right side
    13,273.63x = 237,253,645.13
  5. Step 5: Solve for x
    x = 237,253,645.13/13,273.63
  6. Step 6: Final answer
    x = 17,874.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.