Home / 12,306.25-18,465.72-6,763.96

Finding the Fourth Proportional to 12,306.25, 18,465.72 and 6,763.96

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Solution

The fourth proportional to 12,306.25, 18,465.72 and 6,763.96 is: 10,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.25 : 18,465.72 = 6,763.96 : x
  2. Step 2: Convert to fraction form
    12,306.25/18,465.72 = 6,763.96/x
  3. Step 3: Cross multiply
    12,306.25x = 18,465.72 × 6,763.96
  4. Step 4: Simplify right side
    12,306.25x = 124,901,391.45
  5. Step 5: Solve for x
    x = 124,901,391.45/12,306.25
  6. Step 6: Final answer
    x = 10,149.43

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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.