Home / 17,890.20-26,835.30-10,968.60

Finding the Fourth Proportional to 17,890.20, 26,835.30 and 10,968.60

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Solution

The fourth proportional to 17,890.20, 26,835.30 and 10,968.60 is: 16,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.20 : 26,835.30 = 10,968.60 : x
  2. Step 2: Convert to fraction form
    17,890.20/26,835.30 = 10,968.60/x
  3. Step 3: Cross multiply
    17,890.20x = 26,835.30 × 10,968.60
  4. Step 4: Simplify right side
    17,890.20x = 294,345,671.58
  5. Step 5: Solve for x
    x = 294,345,671.58/17,890.20
  6. Step 6: Final answer
    x = 16,452.90

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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.