Home / 19,434.77-29,161.37-8,344.61

Finding the Fourth Proportional to 19,434.77, 29,161.37 and 8,344.61

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Solution

The fourth proportional to 19,434.77, 29,161.37 and 8,344.61 is: 12,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.77 : 29,161.37 = 8,344.61 : x
  2. Step 2: Convert to fraction form
    19,434.77/29,161.37 = 8,344.61/x
  3. Step 3: Cross multiply
    19,434.77x = 29,161.37 × 8,344.61
  4. Step 4: Simplify right side
    19,434.77x = 243,340,072.19
  5. Step 5: Solve for x
    x = 243,340,072.19/19,434.77
  6. Step 6: Final answer
    x = 12,520.87

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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.