Home / 11,019.88-16,532.70-6,665.32

Finding the Fourth Proportional to 11,019.88, 16,532.70 and 6,665.32

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Solution

The fourth proportional to 11,019.88, 16,532.70 and 6,665.32 is: 9,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.88 : 16,532.70 = 6,665.32 : x
  2. Step 2: Convert to fraction form
    11,019.88/16,532.70 = 6,665.32/x
  3. Step 3: Cross multiply
    11,019.88x = 16,532.70 × 6,665.32
  4. Step 4: Simplify right side
    11,019.88x = 110,195,735.96
  5. Step 5: Solve for x
    x = 110,195,735.96/11,019.88
  6. Step 6: Final answer
    x = 9,999.72

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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.