Home / 17,012.20-25,518.30-5,326.60

Finding the Fourth Proportional to 17,012.20, 25,518.30 and 5,326.60

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Solution

The fourth proportional to 17,012.20, 25,518.30 and 5,326.60 is: 7,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.20 : 25,518.30 = 5,326.60 : x
  2. Step 2: Convert to fraction form
    17,012.20/25,518.30 = 5,326.60/x
  3. Step 3: Cross multiply
    17,012.20x = 25,518.30 × 5,326.60
  4. Step 4: Simplify right side
    17,012.20x = 135,925,776.78
  5. Step 5: Solve for x
    x = 135,925,776.78/17,012.20
  6. Step 6: Final answer
    x = 7,989.90

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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.