Home / 12,423.60-18,635.62-3,063.64

Finding the Fourth Proportional to 12,423.60, 18,635.62 and 3,063.64

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Solution

The fourth proportional to 12,423.60, 18,635.62 and 3,063.64 is: 4,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.60 : 18,635.62 = 3,063.64 : x
  2. Step 2: Convert to fraction form
    12,423.60/18,635.62 = 3,063.64/x
  3. Step 3: Cross multiply
    12,423.60x = 18,635.62 × 3,063.64
  4. Step 4: Simplify right side
    12,423.60x = 57,092,830.86
  5. Step 5: Solve for x
    x = 57,092,830.86/12,423.60
  6. Step 6: Final answer
    x = 4,595.51

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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.