Home / 10,317.26-15,473.91-2,919.93

Finding the Fourth Proportional to 10,317.26, 15,473.91 and 2,919.93

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Solution

The fourth proportional to 10,317.26, 15,473.91 and 2,919.93 is: 4,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.26 : 15,473.91 = 2,919.93 : x
  2. Step 2: Convert to fraction form
    10,317.26/15,473.91 = 2,919.93/x
  3. Step 3: Cross multiply
    10,317.26x = 15,473.91 × 2,919.93
  4. Step 4: Simplify right side
    10,317.26x = 45,182,734.03
  5. Step 5: Solve for x
    x = 45,182,734.03/10,317.26
  6. Step 6: Final answer
    x = 4,379.34

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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.