Home / 14,977.60-20,673.20-8,692

Finding the Fourth Proportional to 14,977.60, 20,673.20 and 8,692

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Solution

The fourth proportional to 14,977.60, 20,673.20 and 8,692 is: 11,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.60 : 20,673.20 = 8,692 : x
  2. Step 2: Convert to fraction form
    14,977.60/20,673.20 = 8,692/x
  3. Step 3: Cross multiply
    14,977.60x = 20,673.20 × 8,692
  4. Step 4: Simplify right side
    14,977.60x = 179,691,454.40
  5. Step 5: Solve for x
    x = 179,691,454.40/14,977.60
  6. Step 6: Final answer
    x = 11,997.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.