Home / 13,952.72-20,923.92-4,590

Finding the Fourth Proportional to 13,952.72, 20,923.92 and 4,590

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Solution

The fourth proportional to 13,952.72, 20,923.92 and 4,590 is: 6,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.72 : 20,923.92 = 4,590 : x
  2. Step 2: Convert to fraction form
    13,952.72/20,923.92 = 4,590/x
  3. Step 3: Cross multiply
    13,952.72x = 20,923.92 × 4,590
  4. Step 4: Simplify right side
    13,952.72x = 96,040,792.80
  5. Step 5: Solve for x
    x = 96,040,792.80/13,952.72
  6. Step 6: Final answer
    x = 6,883.30

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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.