Home / 14,427.69-21,625.37-9,439.65

Finding the Fourth Proportional to 14,427.69, 21,625.37 and 9,439.65

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Solution

The fourth proportional to 14,427.69, 21,625.37 and 9,439.65 is: 14,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.69 : 21,625.37 = 9,439.65 : x
  2. Step 2: Convert to fraction form
    14,427.69/21,625.37 = 9,439.65/x
  3. Step 3: Cross multiply
    14,427.69x = 21,625.37 × 9,439.65
  4. Step 4: Simplify right side
    14,427.69x = 204,135,876.72
  5. Step 5: Solve for x
    x = 204,135,876.72/14,427.69
  6. Step 6: Final answer
    x = 14,148.90

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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.