Home / 12,475.92-18,714.69-4,155.60

Finding the Fourth Proportional to 12,475.92, 18,714.69 and 4,155.60

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Solution

The fourth proportional to 12,475.92, 18,714.69 and 4,155.60 is: 6,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.92 : 18,714.69 = 4,155.60 : x
  2. Step 2: Convert to fraction form
    12,475.92/18,714.69 = 4,155.60/x
  3. Step 3: Cross multiply
    12,475.92x = 18,714.69 × 4,155.60
  4. Step 4: Simplify right side
    12,475.92x = 77,770,765.76
  5. Step 5: Solve for x
    x = 77,770,765.76/12,475.92
  6. Step 6: Final answer
    x = 6,233.67

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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.