Home / 14,125.59-21,189.62-5,241.02

Finding the Fourth Proportional to 14,125.59, 21,189.62 and 5,241.02

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Solution

The fourth proportional to 14,125.59, 21,189.62 and 5,241.02 is: 7,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.59 : 21,189.62 = 5,241.02 : x
  2. Step 2: Convert to fraction form
    14,125.59/21,189.62 = 5,241.02/x
  3. Step 3: Cross multiply
    14,125.59x = 21,189.62 × 5,241.02
  4. Step 4: Simplify right side
    14,125.59x = 111,055,222.21
  5. Step 5: Solve for x
    x = 111,055,222.21/14,125.59
  6. Step 6: Final answer
    x = 7,861.99

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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.