Home / 16,786.65-25,174.59-5,539.47

Finding the Fourth Proportional to 16,786.65, 25,174.59 and 5,539.47

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Solution

The fourth proportional to 16,786.65, 25,174.59 and 5,539.47 is: 8,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.65 : 25,174.59 = 5,539.47 : x
  2. Step 2: Convert to fraction form
    16,786.65/25,174.59 = 5,539.47/x
  3. Step 3: Cross multiply
    16,786.65x = 25,174.59 × 5,539.47
  4. Step 4: Simplify right side
    16,786.65x = 139,453,886.07
  5. Step 5: Solve for x
    x = 139,453,886.07/16,786.65
  6. Step 6: Final answer
    x = 8,307.43

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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.