Home / 12,450.40-17,181.53-6,785.26

Finding the Fourth Proportional to 12,450.40, 17,181.53 and 6,785.26

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Solution

The fourth proportional to 12,450.40, 17,181.53 and 6,785.26 is: 9,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.40 : 17,181.53 = 6,785.26 : x
  2. Step 2: Convert to fraction form
    12,450.40/17,181.53 = 6,785.26/x
  3. Step 3: Cross multiply
    12,450.40x = 17,181.53 × 6,785.26
  4. Step 4: Simplify right side
    12,450.40x = 116,581,148.25
  5. Step 5: Solve for x
    x = 116,581,148.25/12,450.40
  6. Step 6: Final answer
    x = 9,363.65

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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.