Home / 14,429.29-19,906.94-8,761.90

Finding the Fourth Proportional to 14,429.29, 19,906.94 and 8,761.90

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Solution

The fourth proportional to 14,429.29, 19,906.94 and 8,761.90 is: 12,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.29 : 19,906.94 = 8,761.90 : x
  2. Step 2: Convert to fraction form
    14,429.29/19,906.94 = 8,761.90/x
  3. Step 3: Cross multiply
    14,429.29x = 19,906.94 × 8,761.90
  4. Step 4: Simplify right side
    14,429.29x = 174,422,546.42
  5. Step 5: Solve for x
    x = 174,422,546.42/14,429.29
  6. Step 6: Final answer
    x = 12,088.09

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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.