Home / 18,679.96-25,778.34-10,296.60

Finding the Fourth Proportional to 18,679.96, 25,778.34 and 10,296.60

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Solution

The fourth proportional to 18,679.96, 25,778.34 and 10,296.60 is: 14,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.96 : 25,778.34 = 10,296.60 : x
  2. Step 2: Convert to fraction form
    18,679.96/25,778.34 = 10,296.60/x
  3. Step 3: Cross multiply
    18,679.96x = 25,778.34 × 10,296.60
  4. Step 4: Simplify right side
    18,679.96x = 265,429,255.64
  5. Step 5: Solve for x
    x = 265,429,255.64/18,679.96
  6. Step 6: Final answer
    x = 14,209.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.