Home / 11,682.12-17,520.30-5,436.21

Finding the Fourth Proportional to 11,682.12, 17,520.30 and 5,436.21

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Solution

The fourth proportional to 11,682.12, 17,520.30 and 5,436.21 is: 8,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.12 : 17,520.30 = 5,436.21 : x
  2. Step 2: Convert to fraction form
    11,682.12/17,520.30 = 5,436.21/x
  3. Step 3: Cross multiply
    11,682.12x = 17,520.30 × 5,436.21
  4. Step 4: Simplify right side
    11,682.12x = 95,244,095.76
  5. Step 5: Solve for x
    x = 95,244,095.76/11,682.12
  6. Step 6: Final answer
    x = 8,152.98

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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.