Home / 14,604.80-21,907.20-4,217.60

Finding the Fourth Proportional to 14,604.80, 21,907.20 and 4,217.60

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Solution

The fourth proportional to 14,604.80, 21,907.20 and 4,217.60 is: 6,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.80 : 21,907.20 = 4,217.60 : x
  2. Step 2: Convert to fraction form
    14,604.80/21,907.20 = 4,217.60/x
  3. Step 3: Cross multiply
    14,604.80x = 21,907.20 × 4,217.60
  4. Step 4: Simplify right side
    14,604.80x = 92,395,806.72
  5. Step 5: Solve for x
    x = 92,395,806.72/14,604.80
  6. Step 6: Final answer
    x = 6,326.40

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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.