Home / 17,156.34-25,734.78-6,768

Finding the Fourth Proportional to 17,156.34, 25,734.78 and 6,768

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Solution

The fourth proportional to 17,156.34, 25,734.78 and 6,768 is: 10,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.34 : 25,734.78 = 6,768 : x
  2. Step 2: Convert to fraction form
    17,156.34/25,734.78 = 6,768/x
  3. Step 3: Cross multiply
    17,156.34x = 25,734.78 × 6,768
  4. Step 4: Simplify right side
    17,156.34x = 174,172,991.04
  5. Step 5: Solve for x
    x = 174,172,991.04/17,156.34
  6. Step 6: Final answer
    x = 10,152.11

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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.