Home / 14,861.11-20,508.96-8,488.75

Finding the Fourth Proportional to 14,861.11, 20,508.96 and 8,488.75

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Solution

The fourth proportional to 14,861.11, 20,508.96 and 8,488.75 is: 11,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.11 : 20,508.96 = 8,488.75 : x
  2. Step 2: Convert to fraction form
    14,861.11/20,508.96 = 8,488.75/x
  3. Step 3: Cross multiply
    14,861.11x = 20,508.96 × 8,488.75
  4. Step 4: Simplify right side
    14,861.11x = 174,095,434.20
  5. Step 5: Solve for x
    x = 174,095,434.20/14,861.11
  6. Step 6: Final answer
    x = 11,714.83

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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.