Home / 13,250.79-19,849.61-7,982.84

Finding the Fourth Proportional to 13,250.79, 19,849.61 and 7,982.84

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Solution

The fourth proportional to 13,250.79, 19,849.61 and 7,982.84 is: 11,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.79 : 19,849.61 = 7,982.84 : x
  2. Step 2: Convert to fraction form
    13,250.79/19,849.61 = 7,982.84/x
  3. Step 3: Cross multiply
    13,250.79x = 19,849.61 × 7,982.84
  4. Step 4: Simplify right side
    13,250.79x = 158,456,330.27
  5. Step 5: Solve for x
    x = 158,456,330.27/13,250.79
  6. Step 6: Final answer
    x = 11,958.26

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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.