Home / 15,771.38-23,660.86-5,910.74

Finding the Fourth Proportional to 15,771.38, 23,660.86 and 5,910.74

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Solution

The fourth proportional to 15,771.38, 23,660.86 and 5,910.74 is: 8,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.38 : 23,660.86 = 5,910.74 : x
  2. Step 2: Convert to fraction form
    15,771.38/23,660.86 = 5,910.74/x
  3. Step 3: Cross multiply
    15,771.38x = 23,660.86 × 5,910.74
  4. Step 4: Simplify right side
    15,771.38x = 139,853,043.78
  5. Step 5: Solve for x
    x = 139,853,043.78/15,771.38
  6. Step 6: Final answer
    x = 8,867.52

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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.