Home / 19,769.10-29,620.85-13,913.41

Finding the Fourth Proportional to 19,769.10, 29,620.85 and 13,913.41

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Solution

The fourth proportional to 19,769.10, 29,620.85 and 13,913.41 is: 20,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.10 : 29,620.85 = 13,913.41 : x
  2. Step 2: Convert to fraction form
    19,769.10/29,620.85 = 13,913.41/x
  3. Step 3: Cross multiply
    19,769.10x = 29,620.85 × 13,913.41
  4. Step 4: Simplify right side
    19,769.10x = 412,127,123.66
  5. Step 5: Solve for x
    x = 412,127,123.66/19,769.10
  6. Step 6: Final answer
    x = 20,847.03

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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.