Home / 12,556.35-18,834.46-4,765.16

Finding the Fourth Proportional to 12,556.35, 18,834.46 and 4,765.16

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Solution

The fourth proportional to 12,556.35, 18,834.46 and 4,765.16 is: 7,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.35 : 18,834.46 = 4,765.16 : x
  2. Step 2: Convert to fraction form
    12,556.35/18,834.46 = 4,765.16/x
  3. Step 3: Cross multiply
    12,556.35x = 18,834.46 × 4,765.16
  4. Step 4: Simplify right side
    12,556.35x = 89,749,250.59
  5. Step 5: Solve for x
    x = 89,749,250.59/12,556.35
  6. Step 6: Final answer
    x = 7,147.72

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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.