Home / 17,387.82-26,116.68-10,381.56

Finding the Fourth Proportional to 17,387.82, 26,116.68 and 10,381.56

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Solution

The fourth proportional to 17,387.82, 26,116.68 and 10,381.56 is: 15,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.82 : 26,116.68 = 10,381.56 : x
  2. Step 2: Convert to fraction form
    17,387.82/26,116.68 = 10,381.56/x
  3. Step 3: Cross multiply
    17,387.82x = 26,116.68 × 10,381.56
  4. Step 4: Simplify right side
    17,387.82x = 271,131,880.42
  5. Step 5: Solve for x
    x = 271,131,880.42/17,387.82
  6. Step 6: Final answer
    x = 15,593.21

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1.5x scale

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.