Home / 13,985.06-20,977.59-3,596

Finding the Fourth Proportional to 13,985.06, 20,977.59 and 3,596

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Solution

The fourth proportional to 13,985.06, 20,977.59 and 3,596 is: 5,394

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.06 : 20,977.59 = 3,596 : x
  2. Step 2: Convert to fraction form
    13,985.06/20,977.59 = 3,596/x
  3. Step 3: Cross multiply
    13,985.06x = 20,977.59 × 3,596
  4. Step 4: Simplify right side
    13,985.06x = 75,435,413.64
  5. Step 5: Solve for x
    x = 75,435,413.64/13,985.06
  6. Step 6: Final answer
    x = 5,394

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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.