Home / 12,746.20-19,120.48-4,955.60

Finding the Fourth Proportional to 12,746.20, 19,120.48 and 4,955.60

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Solution

The fourth proportional to 12,746.20, 19,120.48 and 4,955.60 is: 7,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.20 : 19,120.48 = 4,955.60 : x
  2. Step 2: Convert to fraction form
    12,746.20/19,120.48 = 4,955.60/x
  3. Step 3: Cross multiply
    12,746.20x = 19,120.48 × 4,955.60
  4. Step 4: Simplify right side
    12,746.20x = 94,753,450.69
  5. Step 5: Solve for x
    x = 94,753,450.69/12,746.20
  6. Step 6: Final answer
    x = 7,433.86

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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.