Home / 13,306.82-19,962.05-4,539.38

Finding the Fourth Proportional to 13,306.82, 19,962.05 and 4,539.38

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Solution

The fourth proportional to 13,306.82, 19,962.05 and 4,539.38 is: 6,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.82 : 19,962.05 = 4,539.38 : x
  2. Step 2: Convert to fraction form
    13,306.82/19,962.05 = 4,539.38/x
  3. Step 3: Cross multiply
    13,306.82x = 19,962.05 × 4,539.38
  4. Step 4: Simplify right side
    13,306.82x = 90,615,208.02
  5. Step 5: Solve for x
    x = 90,615,208.02/13,306.82
  6. Step 6: Final answer
    x = 6,809.68

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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.