Home / 16,120-24,185.40-14,567.20

Finding the Fourth Proportional to 16,120, 24,185.40 and 14,567.20

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Solution

The fourth proportional to 16,120, 24,185.40 and 14,567.20 is: 21,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120 : 24,185.40 = 14,567.20 : x
  2. Step 2: Convert to fraction form
    16,120/24,185.40 = 14,567.20/x
  3. Step 3: Cross multiply
    16,120x = 24,185.40 × 14,567.20
  4. Step 4: Simplify right side
    16,120x = 352,313,558.88
  5. Step 5: Solve for x
    x = 352,313,558.88/16,120
  6. Step 6: Final answer
    x = 21,855.68

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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.