Home / 12,604.60-18,907.82-4,281.24

Finding the Fourth Proportional to 12,604.60, 18,907.82 and 4,281.24

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Solution

The fourth proportional to 12,604.60, 18,907.82 and 4,281.24 is: 6,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.60 : 18,907.82 = 4,281.24 : x
  2. Step 2: Convert to fraction form
    12,604.60/18,907.82 = 4,281.24/x
  3. Step 3: Cross multiply
    12,604.60x = 18,907.82 × 4,281.24
  4. Step 4: Simplify right side
    12,604.60x = 80,948,915.30
  5. Step 5: Solve for x
    x = 80,948,915.30/12,604.60
  6. Step 6: Final answer
    x = 6,422.17

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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.