Home / 17,619.45-26,378.41-11,702.25

Finding the Fourth Proportional to 17,619.45, 26,378.41 and 11,702.25

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Solution

The fourth proportional to 17,619.45, 26,378.41 and 11,702.25 is: 17,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.45 : 26,378.41 = 11,702.25 : x
  2. Step 2: Convert to fraction form
    17,619.45/26,378.41 = 11,702.25/x
  3. Step 3: Cross multiply
    17,619.45x = 26,378.41 × 11,702.25
  4. Step 4: Simplify right side
    17,619.45x = 308,686,666.92
  5. Step 5: Solve for x
    x = 308,686,666.92/17,619.45
  6. Step 6: Final answer
    x = 17,519.65

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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.