Home / 13,273.80-18,317.34-7,305.14

Finding the Fourth Proportional to 13,273.80, 18,317.34 and 7,305.14

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Solution

The fourth proportional to 13,273.80, 18,317.34 and 7,305.14 is: 10,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.80 : 18,317.34 = 7,305.14 : x
  2. Step 2: Convert to fraction form
    13,273.80/18,317.34 = 7,305.14/x
  3. Step 3: Cross multiply
    13,273.80x = 18,317.34 × 7,305.14
  4. Step 4: Simplify right side
    13,273.80x = 133,810,641.54
  5. Step 5: Solve for x
    x = 133,810,641.54/13,273.80
  6. Step 6: Final answer
    x = 10,080.81

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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.