Home / 19,410.35-29,121.66-6,930.10

Finding the Fourth Proportional to 19,410.35, 29,121.66 and 6,930.10

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Solution

The fourth proportional to 19,410.35, 29,121.66 and 6,930.10 is: 10,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.35 : 29,121.66 = 6,930.10 : x
  2. Step 2: Convert to fraction form
    19,410.35/29,121.66 = 6,930.10/x
  3. Step 3: Cross multiply
    19,410.35x = 29,121.66 × 6,930.10
  4. Step 4: Simplify right side
    19,410.35x = 201,816,052.37
  5. Step 5: Solve for x
    x = 201,816,052.37/19,410.35
  6. Step 6: Final answer
    x = 10,397.34

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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.