Home / 11,654.42-16,082.64-6,349.28

Finding the Fourth Proportional to 11,654.42, 16,082.64 and 6,349.28

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Solution

The fourth proportional to 11,654.42, 16,082.64 and 6,349.28 is: 8,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.42 : 16,082.64 = 6,349.28 : x
  2. Step 2: Convert to fraction form
    11,654.42/16,082.64 = 6,349.28/x
  3. Step 3: Cross multiply
    11,654.42x = 16,082.64 × 6,349.28
  4. Step 4: Simplify right side
    11,654.42x = 102,113,184.50
  5. Step 5: Solve for x
    x = 102,113,184.50/11,654.42
  6. Step 6: Final answer
    x = 8,761.76

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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.