Home / 17,784.45-26,730.66-11,882.28

Finding the Fourth Proportional to 17,784.45, 26,730.66 and 11,882.28

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Solution

The fourth proportional to 17,784.45, 26,730.66 and 11,882.28 is: 17,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.45 : 26,730.66 = 11,882.28 : x
  2. Step 2: Convert to fraction form
    17,784.45/26,730.66 = 11,882.28/x
  3. Step 3: Cross multiply
    17,784.45x = 26,730.66 × 11,882.28
  4. Step 4: Simplify right side
    17,784.45x = 317,621,186.70
  5. Step 5: Solve for x
    x = 317,621,186.70/17,784.45
  6. Step 6: Final answer
    x = 17,859.49

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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.