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Finding the Fourth Proportional to 12,493, 17,254.98 and 8,293.96

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Solution

The fourth proportional to 12,493, 17,254.98 and 8,293.96 is: 11,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493 : 17,254.98 = 8,293.96 : x
  2. Step 2: Convert to fraction form
    12,493/17,254.98 = 8,293.96/x
  3. Step 3: Cross multiply
    12,493x = 17,254.98 × 8,293.96
  4. Step 4: Simplify right side
    12,493x = 143,112,113.92
  5. Step 5: Solve for x
    x = 143,112,113.92/12,493
  6. Step 6: Final answer
    x = 11,455.38

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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.