Home / 19,769.79-29,621.87-13,914.10

Finding the Fourth Proportional to 19,769.79, 29,621.87 and 13,914.10

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Solution

The fourth proportional to 19,769.79, 29,621.87 and 13,914.10 is: 20,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.79 : 29,621.87 = 13,914.10 : x
  2. Step 2: Convert to fraction form
    19,769.79/29,621.87 = 13,914.10/x
  3. Step 3: Cross multiply
    19,769.79x = 29,621.87 × 13,914.10
  4. Step 4: Simplify right side
    19,769.79x = 412,161,517.74
  5. Step 5: Solve for x
    x = 412,161,517.74/19,769.79
  6. Step 6: Final answer
    x = 20,848.05

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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.