Home / 13,252.86-19,869.30-11,425.50

Finding the Fourth Proportional to 13,252.86, 19,869.30 and 11,425.50

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Solution

The fourth proportional to 13,252.86, 19,869.30 and 11,425.50 is: 17,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.86 : 19,869.30 = 11,425.50 : x
  2. Step 2: Convert to fraction form
    13,252.86/19,869.30 = 11,425.50/x
  3. Step 3: Cross multiply
    13,252.86x = 19,869.30 × 11,425.50
  4. Step 4: Simplify right side
    13,252.86x = 227,016,687.15
  5. Step 5: Solve for x
    x = 227,016,687.15/13,252.86
  6. Step 6: Final answer
    x = 17,129.64

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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.