Home / 11,999.28-17,998.91-6,152.16

Finding the Fourth Proportional to 11,999.28, 17,998.91 and 6,152.16

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Solution

The fourth proportional to 11,999.28, 17,998.91 and 6,152.16 is: 9,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.28 : 17,998.91 = 6,152.16 : x
  2. Step 2: Convert to fraction form
    11,999.28/17,998.91 = 6,152.16/x
  3. Step 3: Cross multiply
    11,999.28x = 17,998.91 × 6,152.16
  4. Step 4: Simplify right side
    11,999.28x = 110,732,174.15
  5. Step 5: Solve for x
    x = 110,732,174.15/11,999.28
  6. Step 6: Final answer
    x = 9,228.23

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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.