Home / 13,273.62-18,317.60-7,305.29

Finding the Fourth Proportional to 13,273.62, 18,317.60 and 7,305.29

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Solution

The fourth proportional to 13,273.62, 18,317.60 and 7,305.29 is: 10,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.62 : 18,317.60 = 7,305.29 : x
  2. Step 2: Convert to fraction form
    13,273.62/18,317.60 = 7,305.29/x
  3. Step 3: Cross multiply
    13,273.62x = 18,317.60 × 7,305.29
  4. Step 4: Simplify right side
    13,273.62x = 133,815,380.10
  5. Step 5: Solve for x
    x = 133,815,380.10/13,273.62
  6. Step 6: Final answer
    x = 10,081.30

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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.