Home / 13,822.59-20,731.83-6,800.72

Finding the Fourth Proportional to 13,822.59, 20,731.83 and 6,800.72

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Solution

The fourth proportional to 13,822.59, 20,731.83 and 6,800.72 is: 10,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.59 : 20,731.83 = 6,800.72 : x
  2. Step 2: Convert to fraction form
    13,822.59/20,731.83 = 6,800.72/x
  3. Step 3: Cross multiply
    13,822.59x = 20,731.83 × 6,800.72
  4. Step 4: Simplify right side
    13,822.59x = 140,991,267.26
  5. Step 5: Solve for x
    x = 140,991,267.26/13,822.59
  6. Step 6: Final answer
    x = 10,200.06

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1.5x scale

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.