Home / 17,975.32-26,972.09-12,119.63

Finding the Fourth Proportional to 17,975.32, 26,972.09 and 12,119.63

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Solution

The fourth proportional to 17,975.32, 26,972.09 and 12,119.63 is: 18,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.32 : 26,972.09 = 12,119.63 : x
  2. Step 2: Convert to fraction form
    17,975.32/26,972.09 = 12,119.63/x
  3. Step 3: Cross multiply
    17,975.32x = 26,972.09 × 12,119.63
  4. Step 4: Simplify right side
    17,975.32x = 326,891,601.12
  5. Step 5: Solve for x
    x = 326,891,601.12/17,975.32
  6. Step 6: Final answer
    x = 18,185.58

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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.