Home / 13,710.60-20,566-3,322.35

Finding the Fourth Proportional to 13,710.60, 20,566 and 3,322.35

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Solution

The fourth proportional to 13,710.60, 20,566 and 3,322.35 is: 4,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.60 : 20,566 = 3,322.35 : x
  2. Step 2: Convert to fraction form
    13,710.60/20,566 = 3,322.35/x
  3. Step 3: Cross multiply
    13,710.60x = 20,566 × 3,322.35
  4. Step 4: Simplify right side
    13,710.60x = 68,327,347.27
  5. Step 5: Solve for x
    x = 68,327,347.27/13,710.60
  6. Step 6: Final answer
    x = 4,983.54

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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.