Home / 13,513.93-20,262.62-4,749.85

Finding the Fourth Proportional to 13,513.93, 20,262.62 and 4,749.85

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Solution

The fourth proportional to 13,513.93, 20,262.62 and 4,749.85 is: 7,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.93 : 20,262.62 = 4,749.85 : x
  2. Step 2: Convert to fraction form
    13,513.93/20,262.62 = 4,749.85/x
  3. Step 3: Cross multiply
    13,513.93x = 20,262.62 × 4,749.85
  4. Step 4: Simplify right side
    13,513.93x = 96,244,381.86
  5. Step 5: Solve for x
    x = 96,244,381.86/13,513.93
  6. Step 6: Final answer
    x = 7,121.86

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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.