Home / 14,051.53-21,076.89-3,663.28

Finding the Fourth Proportional to 14,051.53, 21,076.89 and 3,663.28

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Solution

The fourth proportional to 14,051.53, 21,076.89 and 3,663.28 is: 5,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.53 : 21,076.89 = 3,663.28 : x
  2. Step 2: Convert to fraction form
    14,051.53/21,076.89 = 3,663.28/x
  3. Step 3: Cross multiply
    14,051.53x = 21,076.89 × 3,663.28
  4. Step 4: Simplify right side
    14,051.53x = 77,210,549.60
  5. Step 5: Solve for x
    x = 77,210,549.60/14,051.53
  6. Step 6: Final answer
    x = 5,494.81

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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.