Home / 9,455.70-14,183.55-7,785.30

Finding the Fourth Proportional to 9,455.70, 14,183.55 and 7,785.30

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Solution

The fourth proportional to 9,455.70, 14,183.55 and 7,785.30 is: 11,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.70 : 14,183.55 = 7,785.30 : x
  2. Step 2: Convert to fraction form
    9,455.70/14,183.55 = 7,785.30/x
  3. Step 3: Cross multiply
    9,455.70x = 14,183.55 × 7,785.30
  4. Step 4: Simplify right side
    9,455.70x = 110,423,191.82
  5. Step 5: Solve for x
    x = 110,423,191.82/9,455.70
  6. Step 6: Final answer
    x = 11,677.95

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Similar ratio
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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.