Home / 11,380.64-17,070.80-3,589.38

Finding the Fourth Proportional to 11,380.64, 17,070.80 and 3,589.38

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Solution

The fourth proportional to 11,380.64, 17,070.80 and 3,589.38 is: 5,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.64 : 17,070.80 = 3,589.38 : x
  2. Step 2: Convert to fraction form
    11,380.64/17,070.80 = 3,589.38/x
  3. Step 3: Cross multiply
    11,380.64x = 17,070.80 × 3,589.38
  4. Step 4: Simplify right side
    11,380.64x = 61,273,588.10
  5. Step 5: Solve for x
    x = 61,273,588.10/11,380.64
  6. Step 6: Final answer
    x = 5,384.02

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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.