Home / 13,245.31-19,849.49-9,954.55

Finding the Fourth Proportional to 13,245.31, 19,849.49 and 9,954.55

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Solution

The fourth proportional to 13,245.31, 19,849.49 and 9,954.55 is: 14,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.31 : 19,849.49 = 9,954.55 : x
  2. Step 2: Convert to fraction form
    13,245.31/19,849.49 = 9,954.55/x
  3. Step 3: Cross multiply
    13,245.31x = 19,849.49 × 9,954.55
  4. Step 4: Simplify right side
    13,245.31x = 197,592,740.68
  5. Step 5: Solve for x
    x = 197,592,740.68/13,245.31
  6. Step 6: Final answer
    x = 14,917.94

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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.