Home / 12,370.90-18,554.55-3,604.90

Finding the Fourth Proportional to 12,370.90, 18,554.55 and 3,604.90

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Solution

The fourth proportional to 12,370.90, 18,554.55 and 3,604.90 is: 5,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.90 : 18,554.55 = 3,604.90 : x
  2. Step 2: Convert to fraction form
    12,370.90/18,554.55 = 3,604.90/x
  3. Step 3: Cross multiply
    12,370.90x = 18,554.55 × 3,604.90
  4. Step 4: Simplify right side
    12,370.90x = 66,887,297.30
  5. Step 5: Solve for x
    x = 66,887,297.30/12,370.90
  6. Step 6: Final answer
    x = 5,406.83

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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.