Home / 11,653.25-16,082.70-6,618.83

Finding the Fourth Proportional to 11,653.25, 16,082.70 and 6,618.83

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Solution

The fourth proportional to 11,653.25, 16,082.70 and 6,618.83 is: 9,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.25 : 16,082.70 = 6,618.83 : x
  2. Step 2: Convert to fraction form
    11,653.25/16,082.70 = 6,618.83/x
  3. Step 3: Cross multiply
    11,653.25x = 16,082.70 × 6,618.83
  4. Step 4: Simplify right side
    11,653.25x = 106,448,657.24
  5. Step 5: Solve for x
    x = 106,448,657.24/11,653.25
  6. Step 6: Final answer
    x = 9,134.68

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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.