Home / 11,688.24-17,539.30-4,671.57

Finding the Fourth Proportional to 11,688.24, 17,539.30 and 4,671.57

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Solution

The fourth proportional to 11,688.24, 17,539.30 and 4,671.57 is: 7,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.24 : 17,539.30 = 4,671.57 : x
  2. Step 2: Convert to fraction form
    11,688.24/17,539.30 = 4,671.57/x
  3. Step 3: Cross multiply
    11,688.24x = 17,539.30 × 4,671.57
  4. Step 4: Simplify right side
    11,688.24x = 81,936,067.70
  5. Step 5: Solve for x
    x = 81,936,067.70/11,688.24
  6. Step 6: Final answer
    x = 7,010.13

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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.