Home / 15,942.76-23,917.38-5,561.80

Finding the Fourth Proportional to 15,942.76, 23,917.38 and 5,561.80

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Solution

The fourth proportional to 15,942.76, 23,917.38 and 5,561.80 is: 8,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.76 : 23,917.38 = 5,561.80 : x
  2. Step 2: Convert to fraction form
    15,942.76/23,917.38 = 5,561.80/x
  3. Step 3: Cross multiply
    15,942.76x = 23,917.38 × 5,561.80
  4. Step 4: Simplify right side
    15,942.76x = 133,023,603.43
  5. Step 5: Solve for x
    x = 133,023,603.43/15,942.76
  6. Step 6: Final answer
    x = 8,343.83

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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.