Home / 20,005.16-29,974.86-6,850.35

Finding the Fourth Proportional to 20,005.16, 29,974.86 and 6,850.35

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Solution

The fourth proportional to 20,005.16, 29,974.86 and 6,850.35 is: 10,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.16 : 29,974.86 = 6,850.35 : x
  2. Step 2: Convert to fraction form
    20,005.16/29,974.86 = 6,850.35/x
  3. Step 3: Cross multiply
    20,005.16x = 29,974.86 × 6,850.35
  4. Step 4: Simplify right side
    20,005.16x = 205,338,282.20
  5. Step 5: Solve for x
    x = 205,338,282.20/20,005.16
  6. Step 6: Final answer
    x = 10,264.27

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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.