Home / 11,381.00-17,079.21-3,985.52

Finding the Fourth Proportional to 11,381.00, 17,079.21 and 3,985.52

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Solution

The fourth proportional to 11,381.00, 17,079.21 and 3,985.52 is: 5,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.00 : 17,079.21 = 3,985.52 : x
  2. Step 2: Convert to fraction form
    11,381.00/17,079.21 = 3,985.52/x
  3. Step 3: Cross multiply
    11,381.00x = 17,079.21 × 3,985.52
  4. Step 4: Simplify right side
    11,381.00x = 68,069,447.64
  5. Step 5: Solve for x
    x = 68,069,447.64/11,381.00
  6. Step 6: Final answer
    x = 5,980.98

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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.