Home / 16,899.90-25,351.31-4,419.91

Finding the Fourth Proportional to 16,899.90, 25,351.31 and 4,419.91

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Solution

The fourth proportional to 16,899.90, 25,351.31 and 4,419.91 is: 6,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.90 : 25,351.31 = 4,419.91 : x
  2. Step 2: Convert to fraction form
    16,899.90/25,351.31 = 4,419.91/x
  3. Step 3: Cross multiply
    16,899.90x = 25,351.31 × 4,419.91
  4. Step 4: Simplify right side
    16,899.90x = 112,050,508.58
  5. Step 5: Solve for x
    x = 112,050,508.58/16,899.90
  6. Step 6: Final answer
    x = 6,630.25

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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.