Home / 11,003.54-16,479.89-6,611.32

Finding the Fourth Proportional to 11,003.54, 16,479.89 and 6,611.32

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Solution

The fourth proportional to 11,003.54, 16,479.89 and 6,611.32 is: 9,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.54 : 16,479.89 = 6,611.32 : x
  2. Step 2: Convert to fraction form
    11,003.54/16,479.89 = 6,611.32/x
  3. Step 3: Cross multiply
    11,003.54x = 16,479.89 × 6,611.32
  4. Step 4: Simplify right side
    11,003.54x = 108,953,710.90
  5. Step 5: Solve for x
    x = 108,953,710.90/11,003.54
  6. Step 6: Final answer
    x = 9,901.70

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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.