Home / 13,776.48-20,649.60-5,976

Finding the Fourth Proportional to 13,776.48, 20,649.60 and 5,976

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Solution

The fourth proportional to 13,776.48, 20,649.60 and 5,976 is: 8,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.48 : 20,649.60 = 5,976 : x
  2. Step 2: Convert to fraction form
    13,776.48/20,649.60 = 5,976/x
  3. Step 3: Cross multiply
    13,776.48x = 20,649.60 × 5,976
  4. Step 4: Simplify right side
    13,776.48x = 123,402,009.60
  5. Step 5: Solve for x
    x = 123,402,009.60/13,776.48
  6. Step 6: Final answer
    x = 8,957.44

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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.