Home / 12,629.94-17,428.63-7,252.65

Finding the Fourth Proportional to 12,629.94, 17,428.63 and 7,252.65

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Solution

The fourth proportional to 12,629.94, 17,428.63 and 7,252.65 is: 10,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.94 : 17,428.63 = 7,252.65 : x
  2. Step 2: Convert to fraction form
    12,629.94/17,428.63 = 7,252.65/x
  3. Step 3: Cross multiply
    12,629.94x = 17,428.63 × 7,252.65
  4. Step 4: Simplify right side
    12,629.94x = 126,403,753.37
  5. Step 5: Solve for x
    x = 126,403,753.37/12,629.94
  6. Step 6: Final answer
    x = 10,008.26

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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.