Home / 14,676.72-20,251.80-8,387.76

Finding the Fourth Proportional to 14,676.72, 20,251.80 and 8,387.76

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Solution

The fourth proportional to 14,676.72, 20,251.80 and 8,387.76 is: 11,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.72 : 20,251.80 = 8,387.76 : x
  2. Step 2: Convert to fraction form
    14,676.72/20,251.80 = 8,387.76/x
  3. Step 3: Cross multiply
    14,676.72x = 20,251.80 × 8,387.76
  4. Step 4: Simplify right side
    14,676.72x = 169,867,237.97
  5. Step 5: Solve for x
    x = 169,867,237.97/14,676.72
  6. Step 6: Final answer
    x = 11,573.92

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1.5x scale

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.