Home / 13,039.18-17,992.43-7,732.97

Finding the Fourth Proportional to 13,039.18, 17,992.43 and 7,732.97

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Solution

The fourth proportional to 13,039.18, 17,992.43 and 7,732.97 is: 10,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.18 : 17,992.43 = 7,732.97 : x
  2. Step 2: Convert to fraction form
    13,039.18/17,992.43 = 7,732.97/x
  3. Step 3: Cross multiply
    13,039.18x = 17,992.43 × 7,732.97
  4. Step 4: Simplify right side
    13,039.18x = 139,134,889.26
  5. Step 5: Solve for x
    x = 139,134,889.26/13,039.18
  6. Step 6: Final answer
    x = 10,670.53

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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.