Home / 12,629.77-18,944.65-5,608.13

Finding the Fourth Proportional to 12,629.77, 18,944.65 and 5,608.13

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Solution

The fourth proportional to 12,629.77, 18,944.65 and 5,608.13 is: 8,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.77 : 18,944.65 = 5,608.13 : x
  2. Step 2: Convert to fraction form
    12,629.77/18,944.65 = 5,608.13/x
  3. Step 3: Cross multiply
    12,629.77x = 18,944.65 × 5,608.13
  4. Step 4: Simplify right side
    12,629.77x = 106,244,093.35
  5. Step 5: Solve for x
    x = 106,244,093.35/12,629.77
  6. Step 6: Final answer
    x = 8,412.20

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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.