Home / 13,992.73-19,309.53-8,326.18

Finding the Fourth Proportional to 13,992.73, 19,309.53 and 8,326.18

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Solution

The fourth proportional to 13,992.73, 19,309.53 and 8,326.18 is: 11,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.73 : 19,309.53 = 8,326.18 : x
  2. Step 2: Convert to fraction form
    13,992.73/19,309.53 = 8,326.18/x
  3. Step 3: Cross multiply
    13,992.73x = 19,309.53 × 8,326.18
  4. Step 4: Simplify right side
    13,992.73x = 160,774,622.50
  5. Step 5: Solve for x
    x = 160,774,622.50/13,992.73
  6. Step 6: Final answer
    x = 11,489.87

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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.