Home / 22,847.40-34,306.30-12,479.40

Finding the Fourth Proportional to 22,847.40, 34,306.30 and 12,479.40

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Solution

The fourth proportional to 22,847.40, 34,306.30 and 12,479.40 is: 18,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,847.40 : 34,306.30 = 12,479.40 : x
  2. Step 2: Convert to fraction form
    22,847.40/34,306.30 = 12,479.40/x
  3. Step 3: Cross multiply
    22,847.40x = 34,306.30 × 12,479.40
  4. Step 4: Simplify right side
    22,847.40x = 428,122,040.22
  5. Step 5: Solve for x
    x = 428,122,040.22/22,847.40
  6. Step 6: Final answer
    x = 18,738.33

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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.