Home / 12,775.73-19,155.84-5,754.54

Finding the Fourth Proportional to 12,775.73, 19,155.84 and 5,754.54

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Solution

The fourth proportional to 12,775.73, 19,155.84 and 5,754.54 is: 8,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.73 : 19,155.84 = 5,754.54 : x
  2. Step 2: Convert to fraction form
    12,775.73/19,155.84 = 5,754.54/x
  3. Step 3: Cross multiply
    12,775.73x = 19,155.84 × 5,754.54
  4. Step 4: Simplify right side
    12,775.73x = 110,233,130.14
  5. Step 5: Solve for x
    x = 110,233,130.14/12,775.73
  6. Step 6: Final answer
    x = 8,628.33

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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.