Home / 9,427.34-14,136.14-3,879.65

Finding the Fourth Proportional to 9,427.34, 14,136.14 and 3,879.65

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Solution

The fourth proportional to 9,427.34, 14,136.14 and 3,879.65 is: 5,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.34 : 14,136.14 = 3,879.65 : x
  2. Step 2: Convert to fraction form
    9,427.34/14,136.14 = 3,879.65/x
  3. Step 3: Cross multiply
    9,427.34x = 14,136.14 × 3,879.65
  4. Step 4: Simplify right side
    9,427.34x = 54,843,320.59
  5. Step 5: Solve for x
    x = 54,843,320.59/9,427.34
  6. Step 6: Final answer
    x = 5,817.47

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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.