Home / 17,316.40-25,974.60-5,630.80

Finding the Fourth Proportional to 17,316.40, 25,974.60 and 5,630.80

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Solution

The fourth proportional to 17,316.40, 25,974.60 and 5,630.80 is: 8,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,316.40 : 25,974.60 = 5,630.80 : x
  2. Step 2: Convert to fraction form
    17,316.40/25,974.60 = 5,630.80/x
  3. Step 3: Cross multiply
    17,316.40x = 25,974.60 × 5,630.80
  4. Step 4: Simplify right side
    17,316.40x = 146,257,777.68
  5. Step 5: Solve for x
    x = 146,257,777.68/17,316.40
  6. Step 6: Final answer
    x = 8,446.20

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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.