Home / 12,450.05-17,181.50-6,785.27

Finding the Fourth Proportional to 12,450.05, 17,181.50 and 6,785.27

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Solution

The fourth proportional to 12,450.05, 17,181.50 and 6,785.27 is: 9,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.05 : 17,181.50 = 6,785.27 : x
  2. Step 2: Convert to fraction form
    12,450.05/17,181.50 = 6,785.27/x
  3. Step 3: Cross multiply
    12,450.05x = 17,181.50 × 6,785.27
  4. Step 4: Simplify right side
    12,450.05x = 116,581,116.51
  5. Step 5: Solve for x
    x = 116,581,116.51/12,450.05
  6. Step 6: Final answer
    x = 9,363.91

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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.