Home / 16,820.72-23,212.60-9,751.24

Finding the Fourth Proportional to 16,820.72, 23,212.60 and 9,751.24

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Solution

The fourth proportional to 16,820.72, 23,212.60 and 9,751.24 is: 13,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.72 : 23,212.60 = 9,751.24 : x
  2. Step 2: Convert to fraction form
    16,820.72/23,212.60 = 9,751.24/x
  3. Step 3: Cross multiply
    16,820.72x = 23,212.60 × 9,751.24
  4. Step 4: Simplify right side
    16,820.72x = 226,351,633.62
  5. Step 5: Solve for x
    x = 226,351,633.62/16,820.72
  6. Step 6: Final answer
    x = 13,456.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.