Home / 19,410.18-29,112.42-9,546.80

Finding the Fourth Proportional to 19,410.18, 29,112.42 and 9,546.80

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Solution

The fourth proportional to 19,410.18, 29,112.42 and 9,546.80 is: 14,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.18 : 29,112.42 = 9,546.80 : x
  2. Step 2: Convert to fraction form
    19,410.18/29,112.42 = 9,546.80/x
  3. Step 3: Cross multiply
    19,410.18x = 29,112.42 × 9,546.80
  4. Step 4: Simplify right side
    19,410.18x = 277,930,451.26
  5. Step 5: Solve for x
    x = 277,930,451.26/19,410.18
  6. Step 6: Final answer
    x = 14,318.80

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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.