Home / 14,157.36-21,236.30-3,769

Finding the Fourth Proportional to 14,157.36, 21,236.30 and 3,769

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Solution

The fourth proportional to 14,157.36, 21,236.30 and 3,769 is: 5,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.36 : 21,236.30 = 3,769 : x
  2. Step 2: Convert to fraction form
    14,157.36/21,236.30 = 3,769/x
  3. Step 3: Cross multiply
    14,157.36x = 21,236.30 × 3,769
  4. Step 4: Simplify right side
    14,157.36x = 80,039,614.70
  5. Step 5: Solve for x
    x = 80,039,614.70/14,157.36
  6. Step 6: Final answer
    x = 5,653.57

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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.