Home / 11,750.25-17,625.86-2,985.39

Finding the Fourth Proportional to 11,750.25, 17,625.86 and 2,985.39

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Solution

The fourth proportional to 11,750.25, 17,625.86 and 2,985.39 is: 4,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.25 : 17,625.86 = 2,985.39 : x
  2. Step 2: Convert to fraction form
    11,750.25/17,625.86 = 2,985.39/x
  3. Step 3: Cross multiply
    11,750.25x = 17,625.86 × 2,985.39
  4. Step 4: Simplify right side
    11,750.25x = 52,620,051.26
  5. Step 5: Solve for x
    x = 52,620,051.26/11,750.25
  6. Step 6: Final answer
    x = 4,478.21

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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.