Home / 12,965.87-17,893.31-8,501.36

Finding the Fourth Proportional to 12,965.87, 17,893.31 and 8,501.36

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Solution

The fourth proportional to 12,965.87, 17,893.31 and 8,501.36 is: 11,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.87 : 17,893.31 = 8,501.36 : x
  2. Step 2: Convert to fraction form
    12,965.87/17,893.31 = 8,501.36/x
  3. Step 3: Cross multiply
    12,965.87x = 17,893.31 × 8,501.36
  4. Step 4: Simplify right side
    12,965.87x = 152,117,337.93
  5. Step 5: Solve for x
    x = 152,117,337.93/12,965.87
  6. Step 6: Final answer
    x = 11,732.13

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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.