Home / 19,769.84-29,655.12-6,622.16

Finding the Fourth Proportional to 19,769.84, 29,655.12 and 6,622.16

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Solution

The fourth proportional to 19,769.84, 29,655.12 and 6,622.16 is: 9,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.84 : 29,655.12 = 6,622.16 : x
  2. Step 2: Convert to fraction form
    19,769.84/29,655.12 = 6,622.16/x
  3. Step 3: Cross multiply
    19,769.84x = 29,655.12 × 6,622.16
  4. Step 4: Simplify right side
    19,769.84x = 196,380,949.46
  5. Step 5: Solve for x
    x = 196,380,949.46/19,769.84
  6. Step 6: Final answer
    x = 9,933.36

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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.