Home / 17,971.39-26,946.60-6,878.83

Finding the Fourth Proportional to 17,971.39, 26,946.60 and 6,878.83

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Solution

The fourth proportional to 17,971.39, 26,946.60 and 6,878.83 is: 10,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.39 : 26,946.60 = 6,878.83 : x
  2. Step 2: Convert to fraction form
    17,971.39/26,946.60 = 6,878.83/x
  3. Step 3: Cross multiply
    17,971.39x = 26,946.60 × 6,878.83
  4. Step 4: Simplify right side
    17,971.39x = 185,361,080.48
  5. Step 5: Solve for x
    x = 185,361,080.48/17,971.39
  6. Step 6: Final answer
    x = 10,314.23

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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.