Home / 13,890.67-20,839.41-4,030.02

Finding the Fourth Proportional to 13,890.67, 20,839.41 and 4,030.02

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Solution

The fourth proportional to 13,890.67, 20,839.41 and 4,030.02 is: 6,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.67 : 20,839.41 = 4,030.02 : x
  2. Step 2: Convert to fraction form
    13,890.67/20,839.41 = 4,030.02/x
  3. Step 3: Cross multiply
    13,890.67x = 20,839.41 × 4,030.02
  4. Step 4: Simplify right side
    13,890.67x = 83,983,239.09
  5. Step 5: Solve for x
    x = 83,983,239.09/13,890.67
  6. Step 6: Final answer
    x = 6,046.02

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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.