Home / 10,790.64-16,188.12-3,396.24

Finding the Fourth Proportional to 10,790.64, 16,188.12 and 3,396.24

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Solution

The fourth proportional to 10,790.64, 16,188.12 and 3,396.24 is: 5,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.64 : 16,188.12 = 3,396.24 : x
  2. Step 2: Convert to fraction form
    10,790.64/16,188.12 = 3,396.24/x
  3. Step 3: Cross multiply
    10,790.64x = 16,188.12 × 3,396.24
  4. Step 4: Simplify right side
    10,790.64x = 54,978,740.67
  5. Step 5: Solve for x
    x = 54,978,740.67/10,790.64
  6. Step 6: Final answer
    x = 5,095.04

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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.