Home / 18,679.50-25,778.26-10,296.54

Finding the Fourth Proportional to 18,679.50, 25,778.26 and 10,296.54

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Solution

The fourth proportional to 18,679.50, 25,778.26 and 10,296.54 is: 14,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.50 : 25,778.26 = 10,296.54 : x
  2. Step 2: Convert to fraction form
    18,679.50/25,778.26 = 10,296.54/x
  3. Step 3: Cross multiply
    18,679.50x = 25,778.26 × 10,296.54
  4. Step 4: Simplify right side
    18,679.50x = 265,426,885.22
  5. Step 5: Solve for x
    x = 265,426,885.22/18,679.50
  6. Step 6: Final answer
    x = 14,209.53

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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.