Home / 11,239.42-16,896.06-10,427.50

Finding the Fourth Proportional to 11,239.42, 16,896.06 and 10,427.50

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Solution

The fourth proportional to 11,239.42, 16,896.06 and 10,427.50 is: 15,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.42 : 16,896.06 = 10,427.50 : x
  2. Step 2: Convert to fraction form
    11,239.42/16,896.06 = 10,427.50/x
  3. Step 3: Cross multiply
    11,239.42x = 16,896.06 × 10,427.50
  4. Step 4: Simplify right side
    11,239.42x = 176,183,665.65
  5. Step 5: Solve for x
    x = 176,183,665.65/11,239.42
  6. Step 6: Final answer
    x = 15,675.51

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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.