Home / 12,321.26-17,004.04-7,605.62

Finding the Fourth Proportional to 12,321.26, 17,004.04 and 7,605.62

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Solution

The fourth proportional to 12,321.26, 17,004.04 and 7,605.62 is: 10,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.26 : 17,004.04 = 7,605.62 : x
  2. Step 2: Convert to fraction form
    12,321.26/17,004.04 = 7,605.62/x
  3. Step 3: Cross multiply
    12,321.26x = 17,004.04 × 7,605.62
  4. Step 4: Simplify right side
    12,321.26x = 129,326,162.67
  5. Step 5: Solve for x
    x = 129,326,162.67/12,321.26
  6. Step 6: Final answer
    x = 10,496.18

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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.