Home / 13,018.73-17,964.99-8,302.50

Finding the Fourth Proportional to 13,018.73, 17,964.99 and 8,302.50

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Solution

The fourth proportional to 13,018.73, 17,964.99 and 8,302.50 is: 11,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.73 : 17,964.99 = 8,302.50 : x
  2. Step 2: Convert to fraction form
    13,018.73/17,964.99 = 8,302.50/x
  3. Step 3: Cross multiply
    13,018.73x = 17,964.99 × 8,302.50
  4. Step 4: Simplify right side
    13,018.73x = 149,154,329.48
  5. Step 5: Solve for x
    x = 149,154,329.48/13,018.73
  6. Step 6: Final answer
    x = 11,456.91

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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.