Home / 19,757.32-29,651.54-8,671.66

Finding the Fourth Proportional to 19,757.32, 29,651.54 and 8,671.66

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Solution

The fourth proportional to 19,757.32, 29,651.54 and 8,671.66 is: 13,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.32 : 29,651.54 = 8,671.66 : x
  2. Step 2: Convert to fraction form
    19,757.32/29,651.54 = 8,671.66/x
  3. Step 3: Cross multiply
    19,757.32x = 29,651.54 × 8,671.66
  4. Step 4: Simplify right side
    19,757.32x = 257,128,020.91
  5. Step 5: Solve for x
    x = 257,128,020.91/19,757.32
  6. Step 6: Final answer
    x = 13,014.32

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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.