Home / 23,986.20-35,963.10-12,289.80

Finding the Fourth Proportional to 23,986.20, 35,963.10 and 12,289.80

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Solution

The fourth proportional to 23,986.20, 35,963.10 and 12,289.80 is: 18,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.20 : 35,963.10 = 12,289.80 : x
  2. Step 2: Convert to fraction form
    23,986.20/35,963.10 = 12,289.80/x
  3. Step 3: Cross multiply
    23,986.20x = 35,963.10 × 12,289.80
  4. Step 4: Simplify right side
    23,986.20x = 441,979,306.38
  5. Step 5: Solve for x
    x = 441,979,306.38/23,986.20
  6. Step 6: Final answer
    x = 18,426.40

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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.