Home / 12,845.64-19,256.78-4,943.12

Finding the Fourth Proportional to 12,845.64, 19,256.78 and 4,943.12

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Solution

The fourth proportional to 12,845.64, 19,256.78 and 4,943.12 is: 7,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.64 : 19,256.78 = 4,943.12 : x
  2. Step 2: Convert to fraction form
    12,845.64/19,256.78 = 4,943.12/x
  3. Step 3: Cross multiply
    12,845.64x = 19,256.78 × 4,943.12
  4. Step 4: Simplify right side
    12,845.64x = 95,188,453.35
  5. Step 5: Solve for x
    x = 95,188,453.35/12,845.64
  6. Step 6: Final answer
    x = 7,410.18

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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.