Home / 13,427.02-20,140.64-4,067.77

Finding the Fourth Proportional to 13,427.02, 20,140.64 and 4,067.77

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Solution

The fourth proportional to 13,427.02, 20,140.64 and 4,067.77 is: 6,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.02 : 20,140.64 = 4,067.77 : x
  2. Step 2: Convert to fraction form
    13,427.02/20,140.64 = 4,067.77/x
  3. Step 3: Cross multiply
    13,427.02x = 20,140.64 × 4,067.77
  4. Step 4: Simplify right side
    13,427.02x = 81,927,491.17
  5. Step 5: Solve for x
    x = 81,927,491.17/13,427.02
  6. Step 6: Final answer
    x = 6,101.69

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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.