Home / 13,762.29-20,635.09-7,513.61

Finding the Fourth Proportional to 13,762.29, 20,635.09 and 7,513.61

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Solution

The fourth proportional to 13,762.29, 20,635.09 and 7,513.61 is: 11,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.29 : 20,635.09 = 7,513.61 : x
  2. Step 2: Convert to fraction form
    13,762.29/20,635.09 = 7,513.61/x
  3. Step 3: Cross multiply
    13,762.29x = 20,635.09 × 7,513.61
  4. Step 4: Simplify right side
    13,762.29x = 155,044,012.69
  5. Step 5: Solve for x
    x = 155,044,012.69/13,762.29
  6. Step 6: Final answer
    x = 11,265.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.