Home / 17,012.94-25,520.90-5,325.86

Finding the Fourth Proportional to 17,012.94, 25,520.90 and 5,325.86

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Solution

The fourth proportional to 17,012.94, 25,520.90 and 5,325.86 is: 7,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.94 : 25,520.90 = 5,325.86 : x
  2. Step 2: Convert to fraction form
    17,012.94/25,520.90 = 5,325.86/x
  3. Step 3: Cross multiply
    17,012.94x = 25,520.90 × 5,325.86
  4. Step 4: Simplify right side
    17,012.94x = 135,920,586.24
  5. Step 5: Solve for x
    x = 135,920,586.24/17,012.94
  6. Step 6: Final answer
    x = 7,989.25

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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.