Home / 16,699.72-25,039.84-11,159.32

Finding the Fourth Proportional to 16,699.72, 25,039.84 and 11,159.32

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Solution

The fourth proportional to 16,699.72, 25,039.84 and 11,159.32 is: 16,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.72 : 25,039.84 = 11,159.32 : x
  2. Step 2: Convert to fraction form
    16,699.72/25,039.84 = 11,159.32/x
  3. Step 3: Cross multiply
    16,699.72x = 25,039.84 × 11,159.32
  4. Step 4: Simplify right side
    16,699.72x = 279,427,587.31
  5. Step 5: Solve for x
    x = 279,427,587.31/16,699.72
  6. Step 6: Final answer
    x = 16,732.47

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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.