Home / 12,496.76-18,748.20-4,177.64

Finding the Fourth Proportional to 12,496.76, 18,748.20 and 4,177.64

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Solution

The fourth proportional to 12,496.76, 18,748.20 and 4,177.64 is: 6,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.76 : 18,748.20 = 4,177.64 : x
  2. Step 2: Convert to fraction form
    12,496.76/18,748.20 = 4,177.64/x
  3. Step 3: Cross multiply
    12,496.76x = 18,748.20 × 4,177.64
  4. Step 4: Simplify right side
    12,496.76x = 78,323,230.25
  5. Step 5: Solve for x
    x = 78,323,230.25/12,496.76
  6. Step 6: Final answer
    x = 6,267.48

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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.