Home / 11,728.55-17,586.08-3,612.00

Finding the Fourth Proportional to 11,728.55, 17,586.08 and 3,612.00

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Solution

The fourth proportional to 11,728.55, 17,586.08 and 3,612.00 is: 5,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.55 : 17,586.08 = 3,612.00 : x
  2. Step 2: Convert to fraction form
    11,728.55/17,586.08 = 3,612.00/x
  3. Step 3: Cross multiply
    11,728.55x = 17,586.08 × 3,612.00
  4. Step 4: Simplify right side
    11,728.55x = 63,520,814.97
  5. Step 5: Solve for x
    x = 63,520,814.97/11,728.55
  6. Step 6: Final answer
    x = 5,415.91

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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.