Home / 13,849.92-20,763-9,454.32

Finding the Fourth Proportional to 13,849.92, 20,763 and 9,454.32

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Solution

The fourth proportional to 13,849.92, 20,763 and 9,454.32 is: 14,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.92 : 20,763 = 9,454.32 : x
  2. Step 2: Convert to fraction form
    13,849.92/20,763 = 9,454.32/x
  3. Step 3: Cross multiply
    13,849.92x = 20,763 × 9,454.32
  4. Step 4: Simplify right side
    13,849.92x = 196,300,046.16
  5. Step 5: Solve for x
    x = 196,300,046.16/13,849.92
  6. Step 6: Final answer
    x = 14,173.37

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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.