Home / 11,082.60-16,618.13-9,819.35

Finding the Fourth Proportional to 11,082.60, 16,618.13 and 9,819.35

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Solution

The fourth proportional to 11,082.60, 16,618.13 and 9,819.35 is: 14,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.60 : 16,618.13 = 9,819.35 : x
  2. Step 2: Convert to fraction form
    11,082.60/16,618.13 = 9,819.35/x
  3. Step 3: Cross multiply
    11,082.60x = 16,618.13 × 9,819.35
  4. Step 4: Simplify right side
    11,082.60x = 163,179,102.63
  5. Step 5: Solve for x
    x = 163,179,102.63/11,082.60
  6. Step 6: Final answer
    x = 14,723.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.