Home / 13,966.48-20,949.68-8,776

Finding the Fourth Proportional to 13,966.48, 20,949.68 and 8,776

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Solution

The fourth proportional to 13,966.48, 20,949.68 and 8,776 is: 13,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.48 : 20,949.68 = 8,776 : x
  2. Step 2: Convert to fraction form
    13,966.48/20,949.68 = 8,776/x
  3. Step 3: Cross multiply
    13,966.48x = 20,949.68 × 8,776
  4. Step 4: Simplify right side
    13,966.48x = 183,854,391.68
  5. Step 5: Solve for x
    x = 183,854,391.68/13,966.48
  6. Step 6: Final answer
    x = 13,163.97

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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.