Home / 19,160.64-28,744.24-9,806.80

Finding the Fourth Proportional to 19,160.64, 28,744.24 and 9,806.80

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Solution

The fourth proportional to 19,160.64, 28,744.24 and 9,806.80 is: 14,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.64 : 28,744.24 = 9,806.80 : x
  2. Step 2: Convert to fraction form
    19,160.64/28,744.24 = 9,806.80/x
  3. Step 3: Cross multiply
    19,160.64x = 28,744.24 × 9,806.80
  4. Step 4: Simplify right side
    19,160.64x = 281,889,012.83
  5. Step 5: Solve for x
    x = 281,889,012.83/19,160.64
  6. Step 6: Final answer
    x = 14,711.88

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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.