Home / 13,273.38-18,317.21-7,304.90

Finding the Fourth Proportional to 13,273.38, 18,317.21 and 7,304.90

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Solution

The fourth proportional to 13,273.38, 18,317.21 and 7,304.90 is: 10,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.38 : 18,317.21 = 7,304.90 : x
  2. Step 2: Convert to fraction form
    13,273.38/18,317.21 = 7,304.90/x
  3. Step 3: Cross multiply
    13,273.38x = 18,317.21 × 7,304.90
  4. Step 4: Simplify right side
    13,273.38x = 133,805,259.22
  5. Step 5: Solve for x
    x = 133,805,259.22/13,273.38
  6. Step 6: Final answer
    x = 10,080.72

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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.