Home / 15,517.30-23,289.40-8,126.96

Finding the Fourth Proportional to 15,517.30, 23,289.40 and 8,126.96

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Solution

The fourth proportional to 15,517.30, 23,289.40 and 8,126.96 is: 12,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.30 : 23,289.40 = 8,126.96 : x
  2. Step 2: Convert to fraction form
    15,517.30/23,289.40 = 8,126.96/x
  3. Step 3: Cross multiply
    15,517.30x = 23,289.40 × 8,126.96
  4. Step 4: Simplify right side
    15,517.30x = 189,272,022.22
  5. Step 5: Solve for x
    x = 189,272,022.22/15,517.30
  6. Step 6: Final answer
    x = 12,197.48

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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.