Home / 14,229.99-19,636.30-8,260.69

Finding the Fourth Proportional to 14,229.99, 19,636.30 and 8,260.69

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Solution

The fourth proportional to 14,229.99, 19,636.30 and 8,260.69 is: 11,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.99 : 19,636.30 = 8,260.69 : x
  2. Step 2: Convert to fraction form
    14,229.99/19,636.30 = 8,260.69/x
  3. Step 3: Cross multiply
    14,229.99x = 19,636.30 × 8,260.69
  4. Step 4: Simplify right side
    14,229.99x = 162,209,387.05
  5. Step 5: Solve for x
    x = 162,209,387.05/14,229.99
  6. Step 6: Final answer
    x = 11,399.12

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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.