Home / 19,912.04-29,871.10-6,765.16

Finding the Fourth Proportional to 19,912.04, 29,871.10 and 6,765.16

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Solution

The fourth proportional to 19,912.04, 29,871.10 and 6,765.16 is: 10,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.04 : 29,871.10 = 6,765.16 : x
  2. Step 2: Convert to fraction form
    19,912.04/29,871.10 = 6,765.16/x
  3. Step 3: Cross multiply
    19,912.04x = 29,871.10 × 6,765.16
  4. Step 4: Simplify right side
    19,912.04x = 202,082,770.88
  5. Step 5: Solve for x
    x = 202,082,770.88/19,912.04
  6. Step 6: Final answer
    x = 10,148.77

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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.