Home / 17,418.45-26,109.80-6,884.21

Finding the Fourth Proportional to 17,418.45, 26,109.80 and 6,884.21

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Solution

The fourth proportional to 17,418.45, 26,109.80 and 6,884.21 is: 10,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.45 : 26,109.80 = 6,884.21 : x
  2. Step 2: Convert to fraction form
    17,418.45/26,109.80 = 6,884.21/x
  3. Step 3: Cross multiply
    17,418.45x = 26,109.80 × 6,884.21
  4. Step 4: Simplify right side
    17,418.45x = 179,745,181.29
  5. Step 5: Solve for x
    x = 179,745,181.29/17,418.45
  6. Step 6: Final answer
    x = 10,319.24

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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.