Home / 13,499.74-20,231.94-7,252.45

Finding the Fourth Proportional to 13,499.74, 20,231.94 and 7,252.45

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Solution

The fourth proportional to 13,499.74, 20,231.94 and 7,252.45 is: 10,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.74 : 20,231.94 = 7,252.45 : x
  2. Step 2: Convert to fraction form
    13,499.74/20,231.94 = 7,252.45/x
  3. Step 3: Cross multiply
    13,499.74x = 20,231.94 × 7,252.45
  4. Step 4: Simplify right side
    13,499.74x = 146,731,133.25
  5. Step 5: Solve for x
    x = 146,731,133.25/13,499.74
  6. Step 6: Final answer
    x = 10,869.18

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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.