Home / 19,976.05-29,944.10-10,085.41

Finding the Fourth Proportional to 19,976.05, 29,944.10 and 10,085.41

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Solution

The fourth proportional to 19,976.05, 29,944.10 and 10,085.41 is: 15,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.05 : 29,944.10 = 10,085.41 : x
  2. Step 2: Convert to fraction form
    19,976.05/29,944.10 = 10,085.41/x
  3. Step 3: Cross multiply
    19,976.05x = 29,944.10 × 10,085.41
  4. Step 4: Simplify right side
    19,976.05x = 301,998,475.15
  5. Step 5: Solve for x
    x = 301,998,475.15/19,976.05
  6. Step 6: Final answer
    x = 15,118.03

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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.