Home / 13,273.58-18,318.11-7,305.63

Finding the Fourth Proportional to 13,273.58, 18,318.11 and 7,305.63

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Solution

The fourth proportional to 13,273.58, 18,318.11 and 7,305.63 is: 10,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.58 : 18,318.11 = 7,305.63 : x
  2. Step 2: Convert to fraction form
    13,273.58/18,318.11 = 7,305.63/x
  3. Step 3: Cross multiply
    13,273.58x = 18,318.11 × 7,305.63
  4. Step 4: Simplify right side
    13,273.58x = 133,825,297.43
  5. Step 5: Solve for x
    x = 133,825,297.43/13,273.58
  6. Step 6: Final answer
    x = 10,082.08

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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.