Home / 15,353.09-23,021.43-5,486.99

Finding the Fourth Proportional to 15,353.09, 23,021.43 and 5,486.99

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Solution

The fourth proportional to 15,353.09, 23,021.43 and 5,486.99 is: 8,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.09 : 23,021.43 = 5,486.99 : x
  2. Step 2: Convert to fraction form
    15,353.09/23,021.43 = 5,486.99/x
  3. Step 3: Cross multiply
    15,353.09x = 23,021.43 × 5,486.99
  4. Step 4: Simplify right side
    15,353.09x = 126,318,241.09
  5. Step 5: Solve for x
    x = 126,318,241.09/15,353.09
  6. Step 6: Final answer
    x = 8,227.55

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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.