Home / 15,723.73-23,580.58-5,191.78

Finding the Fourth Proportional to 15,723.73, 23,580.58 and 5,191.78

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Solution

The fourth proportional to 15,723.73, 23,580.58 and 5,191.78 is: 7,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.73 : 23,580.58 = 5,191.78 : x
  2. Step 2: Convert to fraction form
    15,723.73/23,580.58 = 5,191.78/x
  3. Step 3: Cross multiply
    15,723.73x = 23,580.58 × 5,191.78
  4. Step 4: Simplify right side
    15,723.73x = 122,425,183.63
  5. Step 5: Solve for x
    x = 122,425,183.63/15,723.73
  6. Step 6: Final answer
    x = 7,786.01

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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.