Home / 13,273.12-18,317.34-7,305.22

Finding the Fourth Proportional to 13,273.12, 18,317.34 and 7,305.22

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Solution

The fourth proportional to 13,273.12, 18,317.34 and 7,305.22 is: 10,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.12 : 18,317.34 = 7,305.22 : x
  2. Step 2: Convert to fraction form
    13,273.12/18,317.34 = 7,305.22/x
  3. Step 3: Cross multiply
    13,273.12x = 18,317.34 × 7,305.22
  4. Step 4: Simplify right side
    13,273.12x = 133,812,198.51
  5. Step 5: Solve for x
    x = 133,812,198.51/13,273.12
  6. Step 6: Final answer
    x = 10,081.44

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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.