Home / 19,777.05-29,665.62-6,629.49

Finding the Fourth Proportional to 19,777.05, 29,665.62 and 6,629.49

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Solution

The fourth proportional to 19,777.05, 29,665.62 and 6,629.49 is: 9,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.05 : 29,665.62 = 6,629.49 : x
  2. Step 2: Convert to fraction form
    19,777.05/29,665.62 = 6,629.49/x
  3. Step 3: Cross multiply
    19,777.05x = 29,665.62 × 6,629.49
  4. Step 4: Simplify right side
    19,777.05x = 196,667,931.13
  5. Step 5: Solve for x
    x = 196,667,931.13/19,777.05
  6. Step 6: Final answer
    x = 9,944.25

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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.