Home / 19,914.64-29,872.66-6,765.30

Finding the Fourth Proportional to 19,914.64, 29,872.66 and 6,765.30

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Solution

The fourth proportional to 19,914.64, 29,872.66 and 6,765.30 is: 10,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.64 : 29,872.66 = 6,765.30 : x
  2. Step 2: Convert to fraction form
    19,914.64/29,872.66 = 6,765.30/x
  3. Step 3: Cross multiply
    19,914.64x = 29,872.66 × 6,765.30
  4. Step 4: Simplify right side
    19,914.64x = 202,097,506.70
  5. Step 5: Solve for x
    x = 202,097,506.70/19,914.64
  6. Step 6: Final answer
    x = 10,148.19

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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.