Home / 19,183.76-28,778.07-5,332.76

Finding the Fourth Proportional to 19,183.76, 28,778.07 and 5,332.76

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Solution

The fourth proportional to 19,183.76, 28,778.07 and 5,332.76 is: 7,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.76 : 28,778.07 = 5,332.76 : x
  2. Step 2: Convert to fraction form
    19,183.76/28,778.07 = 5,332.76/x
  3. Step 3: Cross multiply
    19,183.76x = 28,778.07 × 5,332.76
  4. Step 4: Simplify right side
    19,183.76x = 153,466,540.57
  5. Step 5: Solve for x
    x = 153,466,540.57/19,183.76
  6. Step 6: Final answer
    x = 7,999.82

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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.