Home / 17,412.45-26,100.80-6,878.21

Finding the Fourth Proportional to 17,412.45, 26,100.80 and 6,878.21

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Solution

The fourth proportional to 17,412.45, 26,100.80 and 6,878.21 is: 10,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,412.45 : 26,100.80 = 6,878.21 : x
  2. Step 2: Convert to fraction form
    17,412.45/26,100.80 = 6,878.21/x
  3. Step 3: Cross multiply
    17,412.45x = 26,100.80 × 6,878.21
  4. Step 4: Simplify right side
    17,412.45x = 179,526,670.26
  5. Step 5: Solve for x
    x = 179,526,670.26/17,412.45
  6. Step 6: Final answer
    x = 10,310.25

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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.