Home / 14,229.30-19,636.91-8,260.61

Finding the Fourth Proportional to 14,229.30, 19,636.91 and 8,260.61

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Solution

The fourth proportional to 14,229.30, 19,636.91 and 8,260.61 is: 11,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.30 : 19,636.91 = 8,260.61 : x
  2. Step 2: Convert to fraction form
    14,229.30/19,636.91 = 8,260.61/x
  3. Step 3: Cross multiply
    14,229.30x = 19,636.91 × 8,260.61
  4. Step 4: Simplify right side
    14,229.30x = 162,212,715.63
  5. Step 5: Solve for x
    x = 162,212,715.63/14,229.30
  6. Step 6: Final answer
    x = 11,399.91

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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.