Home / 13,982.16-19,295.42-7,608.75

Finding the Fourth Proportional to 13,982.16, 19,295.42 and 7,608.75

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Solution

The fourth proportional to 13,982.16, 19,295.42 and 7,608.75 is: 10,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.16 : 19,295.42 = 7,608.75 : x
  2. Step 2: Convert to fraction form
    13,982.16/19,295.42 = 7,608.75/x
  3. Step 3: Cross multiply
    13,982.16x = 19,295.42 × 7,608.75
  4. Step 4: Simplify right side
    13,982.16x = 146,813,988.88
  5. Step 5: Solve for x
    x = 146,813,988.88/13,982.16
  6. Step 6: Final answer
    x = 10,500.09

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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.