Home / 11,007.30-16,489.35-6,611.70

Finding the Fourth Proportional to 11,007.30, 16,489.35 and 6,611.70

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Solution

The fourth proportional to 11,007.30, 16,489.35 and 6,611.70 is: 9,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.30 : 16,489.35 = 6,611.70 : x
  2. Step 2: Convert to fraction form
    11,007.30/16,489.35 = 6,611.70/x
  3. Step 3: Cross multiply
    11,007.30x = 16,489.35 × 6,611.70
  4. Step 4: Simplify right side
    11,007.30x = 109,022,635.40
  5. Step 5: Solve for x
    x = 109,022,635.40/11,007.30
  6. Step 6: Final answer
    x = 9,904.58

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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.