Home / 15,861.74-23,807.37-8,076.38

Finding the Fourth Proportional to 15,861.74, 23,807.37 and 8,076.38

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Solution

The fourth proportional to 15,861.74, 23,807.37 and 8,076.38 is: 12,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.74 : 23,807.37 = 8,076.38 : x
  2. Step 2: Convert to fraction form
    15,861.74/23,807.37 = 8,076.38/x
  3. Step 3: Cross multiply
    15,861.74x = 23,807.37 × 8,076.38
  4. Step 4: Simplify right side
    15,861.74x = 192,277,366.92
  5. Step 5: Solve for x
    x = 192,277,366.92/15,861.74
  6. Step 6: Final answer
    x = 12,122.09

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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.