Home / 16,860.48-25,308-11,935.68

Finding the Fourth Proportional to 16,860.48, 25,308 and 11,935.68

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Solution

The fourth proportional to 16,860.48, 25,308 and 11,935.68 is: 17,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.48 : 25,308 = 11,935.68 : x
  2. Step 2: Convert to fraction form
    16,860.48/25,308 = 11,935.68/x
  3. Step 3: Cross multiply
    16,860.48x = 25,308 × 11,935.68
  4. Step 4: Simplify right side
    16,860.48x = 302,068,189.44
  5. Step 5: Solve for x
    x = 302,068,189.44/16,860.48
  6. Step 6: Final answer
    x = 17,915.75

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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.