Home / 10,633.60-14,676.24-8,111.80

Finding the Fourth Proportional to 10,633.60, 14,676.24 and 8,111.80

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Solution

The fourth proportional to 10,633.60, 14,676.24 and 8,111.80 is: 11,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.60 : 14,676.24 = 8,111.80 : x
  2. Step 2: Convert to fraction form
    10,633.60/14,676.24 = 8,111.80/x
  3. Step 3: Cross multiply
    10,633.60x = 14,676.24 × 8,111.80
  4. Step 4: Simplify right side
    10,633.60x = 119,050,723.63
  5. Step 5: Solve for x
    x = 119,050,723.63/10,633.60
  6. Step 6: Final answer
    x = 11,195.71

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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.