Home / 14,185.50-19,575.99-7,898.28

Finding the Fourth Proportional to 14,185.50, 19,575.99 and 7,898.28

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Solution

The fourth proportional to 14,185.50, 19,575.99 and 7,898.28 is: 10,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.50 : 19,575.99 = 7,898.28 : x
  2. Step 2: Convert to fraction form
    14,185.50/19,575.99 = 7,898.28/x
  3. Step 3: Cross multiply
    14,185.50x = 19,575.99 × 7,898.28
  4. Step 4: Simplify right side
    14,185.50x = 154,616,650.30
  5. Step 5: Solve for x
    x = 154,616,650.30/14,185.50
  6. Step 6: Final answer
    x = 10,899.63

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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.