Home / 16,842.75-23,242.68-9,289.79

Finding the Fourth Proportional to 16,842.75, 23,242.68 and 9,289.79

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Solution

The fourth proportional to 16,842.75, 23,242.68 and 9,289.79 is: 12,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.75 : 23,242.68 = 9,289.79 : x
  2. Step 2: Convert to fraction form
    16,842.75/23,242.68 = 9,289.79/x
  3. Step 3: Cross multiply
    16,842.75x = 23,242.68 × 9,289.79
  4. Step 4: Simplify right side
    16,842.75x = 215,919,500.02
  5. Step 5: Solve for x
    x = 215,919,500.02/16,842.75
  6. Step 6: Final answer
    x = 12,819.73

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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.