Home / 16,025.63-22,115.23-8,856

Finding the Fourth Proportional to 16,025.63, 22,115.23 and 8,856

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Solution

The fourth proportional to 16,025.63, 22,115.23 and 8,856 is: 12,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,025.63 : 22,115.23 = 8,856 : x
  2. Step 2: Convert to fraction form
    16,025.63/22,115.23 = 8,856/x
  3. Step 3: Cross multiply
    16,025.63x = 22,115.23 × 8,856
  4. Step 4: Simplify right side
    16,025.63x = 195,852,454.74
  5. Step 5: Solve for x
    x = 195,852,454.74/16,025.63
  6. Step 6: Final answer
    x = 12,221.21

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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.