Home / 17,172.92-25,749.50-9,157.80

Finding the Fourth Proportional to 17,172.92, 25,749.50 and 9,157.80

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Solution

The fourth proportional to 17,172.92, 25,749.50 and 9,157.80 is: 13,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.92 : 25,749.50 = 9,157.80 : x
  2. Step 2: Convert to fraction form
    17,172.92/25,749.50 = 9,157.80/x
  3. Step 3: Cross multiply
    17,172.92x = 25,749.50 × 9,157.80
  4. Step 4: Simplify right side
    17,172.92x = 235,808,771.10
  5. Step 5: Solve for x
    x = 235,808,771.10/17,172.92
  6. Step 6: Final answer
    x = 13,731.43

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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.