Home / 11,382.51-17,070.41-3,985.59

Finding the Fourth Proportional to 11,382.51, 17,070.41 and 3,985.59

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Solution

The fourth proportional to 11,382.51, 17,070.41 and 3,985.59 is: 5,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.51 : 17,070.41 = 3,985.59 : x
  2. Step 2: Convert to fraction form
    11,382.51/17,070.41 = 3,985.59/x
  3. Step 3: Cross multiply
    11,382.51x = 17,070.41 × 3,985.59
  4. Step 4: Simplify right side
    11,382.51x = 68,035,655.39
  5. Step 5: Solve for x
    x = 68,035,655.39/11,382.51
  6. Step 6: Final answer
    x = 5,977.21

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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.