Home / 10,394.40-15,589.73-2,997.05

Finding the Fourth Proportional to 10,394.40, 15,589.73 and 2,997.05

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Solution

The fourth proportional to 10,394.40, 15,589.73 and 2,997.05 is: 4,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.40 : 15,589.73 = 2,997.05 : x
  2. Step 2: Convert to fraction form
    10,394.40/15,589.73 = 2,997.05/x
  3. Step 3: Cross multiply
    10,394.40x = 15,589.73 × 2,997.05
  4. Step 4: Simplify right side
    10,394.40x = 46,723,122.35
  5. Step 5: Solve for x
    x = 46,723,122.35/10,394.40
  6. Step 6: Final answer
    x = 4,495.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.