Home / 14,227.44-19,631.52-7,939.80

Finding the Fourth Proportional to 14,227.44, 19,631.52 and 7,939.80

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Solution

The fourth proportional to 14,227.44, 19,631.52 and 7,939.80 is: 10,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.44 : 19,631.52 = 7,939.80 : x
  2. Step 2: Convert to fraction form
    14,227.44/19,631.52 = 7,939.80/x
  3. Step 3: Cross multiply
    14,227.44x = 19,631.52 × 7,939.80
  4. Step 4: Simplify right side
    14,227.44x = 155,870,342.50
  5. Step 5: Solve for x
    x = 155,870,342.50/14,227.44
  6. Step 6: Final answer
    x = 10,955.61

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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.