Home / 18,911.00-28,366.50-5,763.26

Finding the Fourth Proportional to 18,911.00, 28,366.50 and 5,763.26

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Solution

The fourth proportional to 18,911.00, 28,366.50 and 5,763.26 is: 8,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.00 : 28,366.50 = 5,763.26 : x
  2. Step 2: Convert to fraction form
    18,911.00/28,366.50 = 5,763.26/x
  3. Step 3: Cross multiply
    18,911.00x = 28,366.50 × 5,763.26
  4. Step 4: Simplify right side
    18,911.00x = 163,483,372.96
  5. Step 5: Solve for x
    x = 163,483,372.96/18,911.00
  6. Step 6: Final answer
    x = 8,644.88

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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.