Home / 14,303.55-21,453.03-3,912.87

Finding the Fourth Proportional to 14,303.55, 21,453.03 and 3,912.87

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Solution

The fourth proportional to 14,303.55, 21,453.03 and 3,912.87 is: 5,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.55 : 21,453.03 = 3,912.87 : x
  2. Step 2: Convert to fraction form
    14,303.55/21,453.03 = 3,912.87/x
  3. Step 3: Cross multiply
    14,303.55x = 21,453.03 × 3,912.87
  4. Step 4: Simplify right side
    14,303.55x = 83,942,917.50
  5. Step 5: Solve for x
    x = 83,942,917.50/14,303.55
  6. Step 6: Final answer
    x = 5,868.68

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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.