Home / 14,171.55-21,245.69-9,716.91

Finding the Fourth Proportional to 14,171.55, 21,245.69 and 9,716.91

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Solution

The fourth proportional to 14,171.55, 21,245.69 and 9,716.91 is: 14,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.55 : 21,245.69 = 9,716.91 : x
  2. Step 2: Convert to fraction form
    14,171.55/21,245.69 = 9,716.91/x
  3. Step 3: Cross multiply
    14,171.55x = 21,245.69 × 9,716.91
  4. Step 4: Simplify right side
    14,171.55x = 206,442,409.03
  5. Step 5: Solve for x
    x = 206,442,409.03/14,171.55
  6. Step 6: Final answer
    x = 14,567.38

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1.5x scale

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.