Home / 15,676.94-23,517.49-8,281.69

Finding the Fourth Proportional to 15,676.94, 23,517.49 and 8,281.69

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Solution

The fourth proportional to 15,676.94, 23,517.49 and 8,281.69 is: 12,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.94 : 23,517.49 = 8,281.69 : x
  2. Step 2: Convert to fraction form
    15,676.94/23,517.49 = 8,281.69/x
  3. Step 3: Cross multiply
    15,676.94x = 23,517.49 × 8,281.69
  4. Step 4: Simplify right side
    15,676.94x = 194,764,630.07
  5. Step 5: Solve for x
    x = 194,764,630.07/15,676.94
  6. Step 6: Final answer
    x = 12,423.64

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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.