Home / 12,867.20-19,303.04-4,546.56

Finding the Fourth Proportional to 12,867.20, 19,303.04 and 4,546.56

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Solution

The fourth proportional to 12,867.20, 19,303.04 and 4,546.56 is: 6,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.20 : 19,303.04 = 4,546.56 : x
  2. Step 2: Convert to fraction form
    12,867.20/19,303.04 = 4,546.56/x
  3. Step 3: Cross multiply
    12,867.20x = 19,303.04 × 4,546.56
  4. Step 4: Simplify right side
    12,867.20x = 87,762,429.54
  5. Step 5: Solve for x
    x = 87,762,429.54/12,867.20
  6. Step 6: Final answer
    x = 6,820.63

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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.