Home / 11,758.65-16,226.88-6,453.56

Finding the Fourth Proportional to 11,758.65, 16,226.88 and 6,453.56

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Solution

The fourth proportional to 11,758.65, 16,226.88 and 6,453.56 is: 8,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.65 : 16,226.88 = 6,453.56 : x
  2. Step 2: Convert to fraction form
    11,758.65/16,226.88 = 6,453.56/x
  3. Step 3: Cross multiply
    11,758.65x = 16,226.88 × 6,453.56
  4. Step 4: Simplify right side
    11,758.65x = 104,721,062.56
  5. Step 5: Solve for x
    x = 104,721,062.56/11,758.65
  6. Step 6: Final answer
    x = 8,905.87

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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.