Home / 12,577.38-18,866.05-3,343.38

Finding the Fourth Proportional to 12,577.38, 18,866.05 and 3,343.38

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Solution

The fourth proportional to 12,577.38, 18,866.05 and 3,343.38 is: 5,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.38 : 18,866.05 = 3,343.38 : x
  2. Step 2: Convert to fraction form
    12,577.38/18,866.05 = 3,343.38/x
  3. Step 3: Cross multiply
    12,577.38x = 18,866.05 × 3,343.38
  4. Step 4: Simplify right side
    12,577.38x = 63,076,374.25
  5. Step 5: Solve for x
    x = 63,076,374.25/12,577.38
  6. Step 6: Final answer
    x = 5,015.06

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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.