Home / 13,338.36-20,000.88-8,273.07

Finding the Fourth Proportional to 13,338.36, 20,000.88 and 8,273.07

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Solution

The fourth proportional to 13,338.36, 20,000.88 and 8,273.07 is: 12,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.36 : 20,000.88 = 8,273.07 : x
  2. Step 2: Convert to fraction form
    13,338.36/20,000.88 = 8,273.07/x
  3. Step 3: Cross multiply
    13,338.36x = 20,000.88 × 8,273.07
  4. Step 4: Simplify right side
    13,338.36x = 165,468,680.30
  5. Step 5: Solve for x
    x = 165,468,680.30/13,338.36
  6. Step 6: Final answer
    x = 12,405.47

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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.