Home / 13,810.76-20,716.90-4,450.10

Finding the Fourth Proportional to 13,810.76, 20,716.90 and 4,450.10

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Solution

The fourth proportional to 13,810.76, 20,716.90 and 4,450.10 is: 6,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.76 : 20,716.90 = 4,450.10 : x
  2. Step 2: Convert to fraction form
    13,810.76/20,716.90 = 4,450.10/x
  3. Step 3: Cross multiply
    13,810.76x = 20,716.90 × 4,450.10
  4. Step 4: Simplify right side
    13,810.76x = 92,192,276.69
  5. Step 5: Solve for x
    x = 92,192,276.69/13,810.76
  6. Step 6: Final answer
    x = 6,675.39

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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.