Home / 14,278.37-21,393.90-4,913.33

Finding the Fourth Proportional to 14,278.37, 21,393.90 and 4,913.33

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Solution

The fourth proportional to 14,278.37, 21,393.90 and 4,913.33 is: 7,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.37 : 21,393.90 = 4,913.33 : x
  2. Step 2: Convert to fraction form
    14,278.37/21,393.90 = 4,913.33/x
  3. Step 3: Cross multiply
    14,278.37x = 21,393.90 × 4,913.33
  4. Step 4: Simplify right side
    14,278.37x = 105,115,183.72
  5. Step 5: Solve for x
    x = 105,115,183.72/14,278.37
  6. Step 6: Final answer
    x = 7,361.85

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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.