Home / 13,359.30-20,016.96-4,589.40

Finding the Fourth Proportional to 13,359.30, 20,016.96 and 4,589.40

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Solution

The fourth proportional to 13,359.30, 20,016.96 and 4,589.40 is: 6,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.30 : 20,016.96 = 4,589.40 : x
  2. Step 2: Convert to fraction form
    13,359.30/20,016.96 = 4,589.40/x
  3. Step 3: Cross multiply
    13,359.30x = 20,016.96 × 4,589.40
  4. Step 4: Simplify right side
    13,359.30x = 91,865,836.22
  5. Step 5: Solve for x
    x = 91,865,836.22/13,359.30
  6. Step 6: Final answer
    x = 6,876.55

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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.