Home / 13,153.76-19,734-10,817.60

Finding the Fourth Proportional to 13,153.76, 19,734 and 10,817.60

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Solution

The fourth proportional to 13,153.76, 19,734 and 10,817.60 is: 16,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.76 : 19,734 = 10,817.60 : x
  2. Step 2: Convert to fraction form
    13,153.76/19,734 = 10,817.60/x
  3. Step 3: Cross multiply
    13,153.76x = 19,734 × 10,817.60
  4. Step 4: Simplify right side
    13,153.76x = 213,474,518.40
  5. Step 5: Solve for x
    x = 213,474,518.40/13,153.76
  6. Step 6: Final answer
    x = 16,229.16

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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.