Home / 13,244.89-19,870.26-4,359.86

Finding the Fourth Proportional to 13,244.89, 19,870.26 and 4,359.86

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Solution

The fourth proportional to 13,244.89, 19,870.26 and 4,359.86 is: 6,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.89 : 19,870.26 = 4,359.86 : x
  2. Step 2: Convert to fraction form
    13,244.89/19,870.26 = 4,359.86/x
  3. Step 3: Cross multiply
    13,244.89x = 19,870.26 × 4,359.86
  4. Step 4: Simplify right side
    13,244.89x = 86,631,542.26
  5. Step 5: Solve for x
    x = 86,631,542.26/13,244.89
  6. Step 6: Final answer
    x = 6,540.75

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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.