Home / 13,338.18-20,000.59-4,450.41

Finding the Fourth Proportional to 13,338.18, 20,000.59 and 4,450.41

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Solution

The fourth proportional to 13,338.18, 20,000.59 and 4,450.41 is: 6,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.18 : 20,000.59 = 4,450.41 : x
  2. Step 2: Convert to fraction form
    13,338.18/20,000.59 = 4,450.41/x
  3. Step 3: Cross multiply
    13,338.18x = 20,000.59 × 4,450.41
  4. Step 4: Simplify right side
    13,338.18x = 89,010,825.74
  5. Step 5: Solve for x
    x = 89,010,825.74/13,338.18
  6. Step 6: Final answer
    x = 6,673.39

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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.