Home / 15,423.82-23,163.98-14,122.55

Finding the Fourth Proportional to 15,423.82, 23,163.98 and 14,122.55

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Solution

The fourth proportional to 15,423.82, 23,163.98 and 14,122.55 is: 21,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.82 : 23,163.98 = 14,122.55 : x
  2. Step 2: Convert to fraction form
    15,423.82/23,163.98 = 14,122.55/x
  3. Step 3: Cross multiply
    15,423.82x = 23,163.98 × 14,122.55
  4. Step 4: Simplify right side
    15,423.82x = 327,134,453.05
  5. Step 5: Solve for x
    x = 327,134,453.05/15,423.82
  6. Step 6: Final answer
    x = 21,209.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.