Home / 10,317.36-15,474.32-2,919.98

Finding the Fourth Proportional to 10,317.36, 15,474.32 and 2,919.98

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Solution

The fourth proportional to 10,317.36, 15,474.32 and 2,919.98 is: 4,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.36 : 15,474.32 = 2,919.98 : x
  2. Step 2: Convert to fraction form
    10,317.36/15,474.32 = 2,919.98/x
  3. Step 3: Cross multiply
    10,317.36x = 15,474.32 × 2,919.98
  4. Step 4: Simplify right side
    10,317.36x = 45,184,612.94
  5. Step 5: Solve for x
    x = 45,184,612.94/10,317.36
  6. Step 6: Final answer
    x = 4,379.47

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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.