Home / 19,976.37-29,982.96-10,122.63

Finding the Fourth Proportional to 19,976.37, 29,982.96 and 10,122.63

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Solution

The fourth proportional to 19,976.37, 29,982.96 and 10,122.63 is: 15,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.37 : 29,982.96 = 10,122.63 : x
  2. Step 2: Convert to fraction form
    19,976.37/29,982.96 = 10,122.63/x
  3. Step 3: Cross multiply
    19,976.37x = 29,982.96 × 10,122.63
  4. Step 4: Simplify right side
    19,976.37x = 303,506,410.38
  5. Step 5: Solve for x
    x = 303,506,410.38/19,976.37
  6. Step 6: Final answer
    x = 15,193.27

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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.