Home / 14,945.08-20,623.26-8,977

Finding the Fourth Proportional to 14,945.08, 20,623.26 and 8,977

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Solution

The fourth proportional to 14,945.08, 20,623.26 and 8,977 is: 12,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.08 : 20,623.26 = 8,977 : x
  2. Step 2: Convert to fraction form
    14,945.08/20,623.26 = 8,977/x
  3. Step 3: Cross multiply
    14,945.08x = 20,623.26 × 8,977
  4. Step 4: Simplify right side
    14,945.08x = 185,135,005.02
  5. Step 5: Solve for x
    x = 185,135,005.02/14,945.08
  6. Step 6: Final answer
    x = 12,387.69

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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.